How Many Litres Of Blood In Human Body When Pregnant

We offers a variety of Organic Humic to meet many budgets and needs. Water Intake Regulation When the body has lost a lot of water, the concentration of solutes in the blood becomes too high. 1 Milliliter = 0. The amount of blood in a human body varies, depending on factors such as age, sex, overall health and even where a person lives. The stomach of the dairy cow The rumen and reticulum (reticulo-rumen) is the largest compartment of the cow’s stomach. So they tell us the total volume of blood in the human body. 7 liters of water each day. , and it's only NOW that I wonder how many calories are in human blood. The right atrium of the heart collects all this blood. 7 liters) of blood in their bodies. The amount of blood inside the human body is generally equivalent to 7% of the human body's weight. "I vant to drink your blood," he hisses. ) About half of this is actually circulating at any one time. Each day, the body makes new RBCs to replace those that die or are lost from the body. For many tests, normal ranges vary depending on your age, gender, race, and other factors. Roughly 1 pint is given during a donation. Gallons of blood loss would be extreme! Doctors give trusted, helpful answers on causes, diagnosis, symptoms, treatment, and more: Dr. The average human body have somewhere around 5 liters of blood. 6 liters of blood circulates through the body three times every minute. And plasma, from which many medicines are made, is the most commercial part of the blood business. Caribbean medical faculties give people alternatives to go to medical faculty that they. This happens due to the many hormonal changes that take place in the body during pregnancy. The blood also carries many salts and organic substances in solution in the blood plasma. The average adult has about 10 pints of blood in his body. plasma is 3 litres. Men, on average, have 4. A clot is when the liquid blood becomes solid. How many litres of water should you drink a day? The human body is made up of 50 to 75 per cent water, and while we can survive weeks without food, without water the body will start to shut down within days. Gallons of blood loss would be extreme! Doctors give trusted, helpful answers on causes, diagnosis, symptoms, treatment, and more: Dr. There are various causes. Infections have the potential to cause illness, but in many cases the infected person does not get sick. In the first few weeks of pregnancy, the body produces a hormone called human chorionic gonadotropin, which increases blood flow to the pelvic region, causing women to have to urinate more often. But how many platelets are in a drop of blood? Just like many other types of bodily issues, our bodies can have too many or too few platelets. Too much blood transfusions will cause iron level decline. Water forms the basis of blood, digestive juices, urine and perspiration, and is contained in lean muscle, fat and bones. A Normal blood sodium level is 135 - 145 milliEquivalents/liter (mEq/L), or in international units, 135 - 145 millimoles/liter (mmol/L). 3 kg, may have extra 1. For most patients, that point corresponds to a hemoglobin between 7 and 10 g/dL (or a hematocrit of 21-30%). With regards to medical schools in the USA they can now be labeled beneath two categories. Too much blood transfusions will cause iron level decline. There are approximately 96,000 km of blood vessels in the human body. Also, chemicals are removed from the body in feces, sweat and exhalation. Doctors say that blood volume increases by about 1. As blood passes through the lungs, oxygen is picked up by a substance called hemoglobin in red blood cells. Blood accounts for 7% of the human body weight, with an average density around 1060 kg/m 3, very close to pure water's density of 1000 kg/m 3. As a general rule of thumb, for each kilogram (2. The human body can last weeks without food, but only days without water. Caribbean medical faculties give people alternatives to go to medical faculty that they. A vaginal delivery can be beneficial for a baby’s immune system. 28 comments. However, in this case, the count levels return to normal with time and no special treatment is required for the same. In the picture here, you can see that the vagina is behind the bladder (sac that collects urine) and urethra (tube for moving urine out of bladder and body). 7 liters) of blood in their bodies. Pregnant women's blood volume increases 50% by her 30th week. When it comes to toxic substances, WHAT YOU KNOW CAN HELP YOU. The reality TV star, 28, who is expecting her first child with her fiancé, Ryan Thomas, 35, has been discussing some of the more unusual side effects of pregnancy on Instagram. Blood comprises more than 8% of the body weight of a healthy individual. 5 liters of blood in her body so losing 100ml will not cause any health problems. In children, the definition varies with age and sex. We found some answers as below for this question "How much blood can you loose before you die",you can compare them. The average age for menopause in the United States is 52, according to the Office on Women’s Health, and those hormonal changes can bring a number of health changes too. The primary enzymes involved. During pregnancy, the volume of blood in a woman's body increases by a whopping 50 percent in order to help support the uterus. Body fluids, bodily fluids, or biofluids are liquids within the human body. 5 liters of blood or 1. So those are some of the major body system changes that happen in mom's body during pregnancy. You may not even always have symptoms of either high or low blood glucose; in fact, many people with type 2 diabetes don’t have the usual symptoms of high blood glucose, and for this reason, it’s not uncommon for people to go undiagnosed for many years. Nicotine, a naturally occurring alkaloid found in tobacco leaves, most commonly enters the human body as cigarette smoke. Females, on average, have less blood than males do, and the bodies of children tend to contain less than those of grown men or women. MSM is a required structural mineral for healthy hair, skin, and nails. Therefore, if, on average, the human body contains 5-6 quarts of blood, that would mean by the 30th week of conception. Polycythemia vera (PV) is a blood disorder in which the body makes too many red blood cells. Under extreme conditions an adult can lose between one and 1. Out of this* 50% (2500ml) is located in the systemic venous compartment. Our body loses water in the form of urine and sweat, so it is essential to refill the lost body water. For instance, gold makes up about 0. Due to this increase in blood volume, it is important for pregnant women to also increase their intake of folic acid and iron. In pregnancy: Blood. Prolactin causes your alveoli to take nutrients (proteins, sugars) from your blood supply and turn them into breast milk. The body increases its blood volume by 30-50%. Your blood flow has increased to accomplish the job of feeding your baby. 5 liters of blood (like half of blood from adult human) in the body. Many if not all males meet the 5 liter average than women who may only have around 4. An adult rat has a circulating blood volume of about 15-35 ml (5-7% of the body weight), however in older and obese animals this may be lower. Human pregnancy lasts approximately 40 weeks from the time of the last menstrual cycle to childbirth (38 weeks from fertilization). For a 150lb person, tha equates to around 4. 8 micrograms of mercury per liter in her blood. With a small person (100-140 pounds or so) it could be bad in the short. Therefore, if, on average, the human body contains 5-6 quarts of blood, that would mean by the 30th week of conception. Consists of DHA and EPA in merely the right amounts as required b our body. The amniotic fluid constantly moves. Did you know that about seven to eight percent of the human body weight is made up of blood? A healthy adult with a body weight of 60 kilograms has approximately 4. 5 gallons (4. Amniotic fluid levels generally sit at approximately 800ml through most of the pregnancy, dropping slightly in most cases to about 600ml by the time a woman reaches the 40 week mark. 5 liters of fluid (Sawka et al. When it comes to toxic substances, WHAT YOU KNOW CAN HELP YOU. Do not go too many hours without food as this will increase the effect of the low blood sugar caused by alcohol. You may also feel more fatigue than usual: Many women feel extremely tired during their first trimester of pregnancy. plasma is 3 litres. "I vant to drink your blood," he hisses. An adult rat has a circulating blood volume of about 15-35 ml (5-7% of the body weight), however in older and obese animals this may be lower. Aplastic anemia is a rare bone marrow failure disorder in which the bone marrow stops making enough blood cells (red blood cells, white blood cells, and platelets). A person of about 70 kilogrammes has a blood volume of 5 to 6 litres. Production of less than 0. Kongregate How many litres of blood do you need to lose before dying?, post your thoughts on the discussion board or read fellow gamers' opinions. Your body is well prepared to deal with a certain amount of blood loss because your total blood volume increases by almost 50 percent during pregnancy. It also plays a major role in the chemical reactions taking place in the human body. Carbon dioxide, which is mildly acidic, is a waste product of the processing (metabolism) of oxygen and nutrients (which all cells need) and, as such, is constantly produced by cells. 3 gallons, which is composed of plasma and several kinds of cells. Total body water. A higher circulating blood volume is required to provide extra blood flow through the placenta, so nutrients and oxygen can be. "An adult who weighs 160 pounds has about 5 quarts (4. The reality TV star, 28, who is expecting her first child with her fiancé, Ryan Thomas, 35, has been discussing some of the more unusual side effects of pregnancy on Instagram. How many ounces are in a vial of blood? Find out here! Plus, easily figure out other medical related fluid conversons. Human Water Requirement Calculator. A clot is when the liquid blood becomes solid. A healthy person's kidneys usually remove excess water from the blood pretty quickly. Habits of the heart. Five percent of the alcohol taken into the body leaves through the lungs, kidneys, and the skin; the rest is removed by the liver; Liver. Everybody has a different amount of blood in their body which also depends on their size and age. plasma is 3 litres. Features included. You may wonder if that's because human bodies need to process a certain amount of water in a certain period of time. In January 1944, a 17-year-old Navy seaman named Nathan Schnurman volunteered to test protective clothing for the Navy. How does the loss of 2 liters of blood affect the human body? Similar questions: loss liters blood affect human body. Blood cells constantly die and your body makes new ones. Since the left ventricle has to pump blood to the rest of the body, its walls are relatively thick, while the walls of the atria are relatively thin. Sulfur mustard and Lewisite. Strange but True: Drinking Too Much Water Can Kill In a hydration-obsessed culture, people can and do drink themselves to death. Experts attribute this fatigue to the additional work your body has to do, now that it is making a baby. The Nadler Method is a way to calculate the total blood volume in the human body. On many occasions The Blood Center has been called upon for help in response to natural disasters, accidents and more. This stops blood from going out of the skin too much. Have you ever wondered about how the human body works?machine, with many little parts that work by themselves or with other parts to perform specific functions. I want to represent my HIV within a broader context of human intimacy, as healthy, erotic and. 2 liters) of blood in their body, he added. Normally blood makes 7- 8% of human body weight. 5 liters) of blood circulating inside their body, said. HIV and me: 'I decided to fight: I always wanted the body of a wrestler' is not HIV positive. "On the average, an adult human male who weighs 70 kg. The interstitial fluid deficit is predominant only when blood loss is mild (less than 15% of the blood volume), and in this situation, no volume resuscitation is necessary (because the body is capable of fully compensating for the loss of blood volume). During the third trimester, a white blood cell count of anything up to 13. In these diseases, bone marrow — the spongy tissue inside bones where blood cells are made — is affected by a type of chronic leukemia that causes it to make more cells than it. Bernstein, and Dr. Blood is composed of two parts: the fluid portion is called plasma , and the solid portion or formed elements (suspended in the fluid) consists of the blood cells ( erythrocytes and leukocytes. 7 liters) of blood. Different formulas. Nadler's formula, the second one is an equation developed by Dr. Other health benefits of sauna. If the test is correct, the too much iron in the body can make iron toxicity, common causes. Blood, How Much Do We Have? Just how much blood do we have pumping through our heart, lungs, organs, veins, and arteries? Well, the blood volume will vary depending on the size of the person, their state of hydration, and the volume of the cellular elements (white blood cells and red blood cells predominantly) in their blood. Men, on average, have 4. The 206 bones in the body of a human being are divided into the 126 bones of the appendicular skeleton and the 80 bones of the axial skeleton. As a liquid connective tissue, it transports many substances through the body and helps to maintain homeostasis of nutrients, wastes, and gases. 7 liters (91 ounces)per day, with about a fifth of that coming from food. About how many litres of blood are in the human body? a. In this post, we are going to look at 10 astoundingly interesting facts about human body. Take the quiz and prove yourself. They claim that if you mix a pregnant person’s urine with. Since 1999, HelpGuide has grown from a small local project to an international resource that reaches over 35 million people a year. How many ounces are in a vial of blood? Find out here! Plus, easily figure out other medical related fluid conversons. Despite their small size, the two kidneys receive an enormous blood flow — about 1. 5- 4 quarts. " suffer from diabetes or blood. Each human body is built up from food containing these five constituents, and vitamins as well. Question 259825: If the human heart pumps 5 quarts of blood through the human body in a minute, how many gallons of blood will it pump in an hour? I know 1 gallon is equal to 4 quarts and 60 minutes is one hour. If the body is functioning normally and there are no extenuating circumstances. 4 additional gallons of blood. They can also facilitate physician-patient discussions. The baby grows in this amniotic sac, surrounded by the amniotic fluid, as he learns to move his limbs, open his eyes and breathe. The amount of 'how many pints of blood in the human body' also has a significant effect on the immunity of your body because as the blood volume increases, the plasma volume increases. “Most Americans eat more sodium and protein than the body needs. Despite their small size, the two kidneys receive an enormous blood flow — about 1. If RhoGAM (rho(d) immune globulin (human)) is administered for one of the above indications early in pregnancy (before 26 to 28 weeks), there is an obligation to maintain a level of passively acquired anti-D by administration of RhoGAM (rho(d) immune globulin (human)) at 12-week intervals. Nicotine, a naturally occurring alkaloid found in tobacco leaves, most commonly enters the human body as cigarette smoke. interstitial fluid is 11 litres. For those who like technical terms, hCG stands for human Chorionic Gonadotropin. Honestly, hCG is just easier to say. The standard amount of blood taken when a person gives a blood donation is 1 pint. On top of that, only half of menstrual fluid is blood. Proper diet and healthy life style are most essential to increase the red blood cell count in our body. Other health benefits of sauna. It transports all the substances such as blood cells, hormones, nutrients and excretory substances throughout the body. In an 80 kg adult this would be about 2. It contains red blood cells, white blood cells. The average human body has 5. Bones serve three kinds of critically important functions in our body—mechanical functions, maintenance of mineral levels, and blood production. The plasma volume and total red cell mass are controlled by different mechanisms and pregnancy provides the most dramatic example of the way in which that can happen. Normal bleeding just after childbirth usually happens when the placenta begins to separate from the uterus. Also, chemicals are removed from the body in feces, sweat and exhalation. 5 fluid ounces) of urine per day is insufficient to eliminate wastes and regulate the composition of blood. So watch the Complete Video And be Happy. Women who are pregnant commonly have low hemoglobin counts. This is approximately one-tenth of the blood in the body and is a safe amount of blood to lose. For a person weighing approximately 150 pounds, the blood volume is on average about 5. Roughly 1 pint is given during a donation. Whether you love yoga, running, strength training, or outdoor adventure, we've got advice to. 7 litres [7 quarts] for a man weighing 86 kg), and the loss of any part of this will initiate certain cardiovascular reflexes. More than 100 anatomy articles feature clinical images and diagrams of the human body's major systems and organs. An average child with a weight of 80 pounds has 2. Name: Vanessa, Ashstead Qualification: Read it in the Reader's Digest Book of the Human Body Answer: Five quarts of blood per minute are transported around the body. The old saying, "what you don't know can't hurt you," isn't always good advice. Men, on average, have 4. Experts attribute this fatigue to the additional work your body has to do, now that it is making a baby. 5 liters, at the end of pregnancy the blood volume increases by about 25%. How many drinks are in common containers? A U. 8 micrograms of mercury per liter in her blood. This is because in cases of blood loss, you would know if you ought to go to the hospital or not. Pregnant women should drink about 10 cups of water daily. S AMIR Z AKHARI, P H. These proteins circulate in the infant’s blood for weeks to months after birth, neutralizing microbes or marking them for destruction by phagocytes-immune cells that consume and break down bacteria, viruses and cellular debris. If you always wake up at three or four a. How much blood can a person lose without developing harmful result of blood lost. The human body is a delicate balance of many types of nutrients, vitamins, and self-produced cells. When might you need a blood transfusion? Blood is usually transfused to replace. Answer: Blood travels at three feet per second when it leaves the heart, but it slows down as it gets into smaller arteries and capillaries. love the article and the comments. There are many reasons for these symptoms. Various tissues organized together for a common purpose are called organs (e. 7 Many of these symptoms can also be signs of other conditions, the result of changing birth control pills, or effects of stress, so they do not. The amount of blood in a human body varies, depending on factors such as age, sex, overall health and even where a person lives. It is responsible for transporting nutrients, metabolic wastes. You need to consume a quart of water each day for four months to equate to the amount of blood your heart pumps in one hour. This occurs as a result of destruction or deficiency of blood-forming stem cells in your bone marrow, in particular when the body's own immune system attacks the stem cells. The increase in plasma volume (40-50%) is relatively greater than that of red cell mass (20-30%) resulting in hemodilution and a decrease in haemoglobin concentration. You can recognize the warning signs of dangerous intoxication and call EMS for a friend. If you were to lose a Liter of blood, how long would it take your body to make that amount of blood back? Biology. In the picture here, you can see that the vagina is behind the bladder (sac that collects urine) and urethra (tube for moving urine out of bladder and body). The stomach of the dairy cow The rumen and reticulum (reticulo-rumen) is the largest compartment of the cow’s stomach. The human liver has the greatest regenerative capacity of any of the organs within the body. You know, at the time that I wrote Jennifer's Body, I'd only done one feature at that point -- I had written Juno, which is not a horror movie unless you think that unwanted pregnancy is a horror, which I guess it kind of is. But the body processes only so much, and you can drink either too much or too little water. So they tell us the total volume of blood in the human body. As efficient and life-giving as blood is, it can run into problems. how many litres of blood are there in the human body. How Much Sugar is in the Body? The human body contains approximately 5 liters of blood. Hemochromatosis means too much iron in the body and results are higher than normal ranges. An average child with a weight of 80 pounds has 2. The body of a 70-kg man, for example, contains about 42L of water − 28L intracellular and 14L extracellular, of which: 3L is blood plasma;. The amount of blood inside the human body is generally equivalent to 7% of the human body’s weight. Negative feedback loops play an important role in how many of the systems of the human body stay in control. In pregnancy: Blood. In these 5 liters of blood, you need only about one teaspoon of sugar for all of your regular activities. Pregnant Lucy Mecklenburgh has revealed her surprise at finding out she has “bright orange” breast milk. Intracellular fluid compartment. "Your body — and blood vessels — may react to abrupt changes in humidity, atmospheric pressure, cloud cover or wind in much the. MSM is also necessary to help maintain the flexibility and elasticity of most all bodily tissues and is needed to maintain cell membrane permeability. Those who breastfeed need about 12 cups. This is about 4,500 to 5,700 mL. Interestingly, people who live at high altitudes may have up to two liters of extra blood compared to those who live at lower altitudes. On an average how many litres of blood a human body have ? Top Answer. Have you ever passed gas accidentally when other people were around?. A high blood level of thiocyanate is a sign of cyanide exposure in children, as well as adults. Blood is a constantly circulating fluid providing the body with nutrition, oxygen, and waste removal. The first one uses Dr. Scientists estimate the volume of blood in a human body to be approximately 7 percent of body weight. Start improving your mental health and wellness today. What are the normal values of body temperature in oc, heart rate in beats per minute, blood pressure in mmHg, and breathing rate in breaths per minute? How many red blood cells does your body make in one minute? Which English doctor proved that heart pumps blood around the body?. A newborn baby weighing between 5 and 8 lbs. However, in this case, the count levels return to normal with time and no special treatment is required for the same. Pregnancy or breast-feeding. 5 gallons of blood in their body. Would you settle for a whole bunch? I didn't think so. A healthy intake for a woman is about 2. In January 1944, a 17-year-old Navy seaman named Nathan Schnurman volunteered to test protective clothing for the Navy. Esther Kinuthia (above) a victim of medical negligence she was suffering from Sinusitis and enlarged tarbinets (Photo: Jenipher Wachie/Standard) On October 15, last year, Esther Kinuthia received. when' injected intravenously it will increase the circulating plasma volume by an amount approximately equal. 7-3 litres is plasma. White blood cells also produce, transport, and distribute antibodies as part of the body's immune response. Then, add the height function to the weight function, plus 604, to calculate blood volume. How many pints of blood are in the human body? Answer and Explanation: The average human has around 10 pints of blood in their body. 006012 to get the height function. The volume of blood in a person is roughly one-eleventh of his body weight. Log in using the username and password we. The best way to know your blood glucose level is to check it with a glucose meter. Although 10 pints is the average amount of blood in the human. On an average, every adult person has about 5 - 6 litres of blood. But how many platelets are in a drop of blood? Just like many other types of bodily issues, our bodies can have too many or too few platelets. While in the womb, the baby floats in the amniotic fluid. You may not even always have symptoms of either high or low blood glucose; in fact, many people with type 2 diabetes don’t have the usual symptoms of high blood glucose, and for this reason, it’s not uncommon for people to go undiagnosed for many years. Once pregnant, a cat's gestation period is roughly 2 months, making it possible for her to birth as many as five litters a year. The red blood cells carry oxygen to various cells of the body. The articles assist in the understanding of the anatomy involved in treating specific conditions and performing procedures. A qualitative hCG test simply checks to see if hCG is present, and a quantitative hCG test (beta hCG) measures the exact amount of hCG in your blood. plasma is 3 litres. Breast milk is a complex fluid produced by the mother’s body that fulfills a similar nutritional function as does the placenta during pregnancy. In 2000, the National Research Council of the National Academy of Sciences determined that a level of 85 micrograms per liter (µg/L) in cord blood was associated with early neurodevelopmental effects. Oxytocin causes the cells around the alveoli to contract and eject your milk down the milk ducts. "In an adult of average size there is a little less than 10 pints (4. A high blood level of thiocyanate is a sign of cyanide exposure in children, as well as adults. The amount of blood in human body that the heart pumps every minute may vary from person to person, but it is usually between 5 to 30 liters per minute. That said, experts generally recommend 2. Human Water Requirement Calculator. 2 liters (2. The average age for menopause in the United States is 52, according to the Office on Women’s Health, and those hormonal changes can bring a number of health changes too. So, what does the liver do? Your liver is your only organ that can regenerate, or regrow, itself. Get the truth about how much water you should drink a day. Out of 1500 liters of blood which pass daily through the kidneys, only about 1. "In just a. Divide your weight in pounds by 22 and you get the number of litres of blood you have. White blood cells, which defend against infection. Since the left ventricle has to pump blood to the rest of the body, its walls are relatively thick, while the walls of the atria are relatively thin. The amount of amniotic fluid is greatest at about 34 weeks (gestation) into the pregnancy, when it averages 800 mL. If you're outside on a hot day, or doing something that makes you sweat a lot, you'll need to. There are approximately 96,000 km of blood vessels in the human body. Blood is composed of two parts: the fluid portion is called plasma , and the solid portion or formed elements (suspended in the fluid) consists of the blood cells ( erythrocytes and leukocytes. Levels in body fat increase over a period of hours or days, and slowly release metabolites into the bloodstream thereafter. It also delivers immune cells to fight infections and contains platelets that can form a plug in a damaged blood vessel to prevent blood loss. Blood related terms start with "hemo" word which means blood on old Greek. So, what does the liver do? Your liver is your only organ that can regenerate, or regrow, itself. 7 liters of water each day. How Much Blood Is in Your Body he amount of blood in the human body is generally equivalent to 7 percent of body weight. Under extreme conditions an adult can lose between one and 1. The Most Precious Commodity of the Next Space Age If extra-planetary travel ever becomes routine, power may revolve around who controls access to gravity, argues space archeologist Alice Gorman. 10 Amazing Human. Each mineral when dissolved in fluids has a characteristic electrical charge, called its valance. The average adult has a blood volume of roughly 5 litres (11 US pt) or 1. About 600 mL of amniotic fluid surrounds the baby at full term (40 weeks gestation). Blood comprises water, some substances and cells. The average human adult has more than 5 liters (6 quarts) of blood in his or her body. 3 kg, may have extra 1. how many litres of blood are there in the human body. Drug Monographs. 5- 6 quarts (5- 6 litres) of blood. There are several different formulas, you can try the army body fat calculator for a different estimate. The best thing you can do is control your blood pressure. Can a Simple Blood Test Reveal How Many Eggs You Have Left? and from the first day of her life these eggs begin to self-destruct and be absorbed into the body through a become pregnant. If you ingest too much sugar, your body cannot process it and you are sick. A human body has 5 liters of blood, 40% of which is red blood cells. much more gradually. Food serves mainly for growth, energy and body repair, maintenance and protection. 1350 BCE One of the earliest written records of a urine-based pregnancy test can be found in an ancient Egyptian document. For a 150lb person, tha equates to around 4. Under extreme conditions an adult can lose between one and 1. If any one of these systems is damaged, human body will become unstable and this lack of stability will ultimately lead to death. If the test is correct, the too much iron in the body can make iron toxicity, common causes. Caribbean medical faculties give people alternatives to go to medical faculty that they. How many drinks are in common containers? A U. The average human body contains about five (5) liters of blood. In an 80 kg adult this would be about 2. Dangerously low hemoglobin levels put a person at risk of a heart attack, congestive heart failure, or stroke. It is also the primary fuel, or energy source, used by cells, such as brain cells, muscle cells, and cells in other. A person of about 70 kilogrammes has a blood volume of 5 to 6 litres. We offer the guidance and encouragement. But fortunately there's a shorthand system, called scientific notation, that we use instead for writing really BIG or really SMALL numbers. 5 gallons) of blood. Every cell in the body must be close to a blood vessel (within about 100 microns) in order to receive oxygen and nutrients. It is found in organs, tissues, bones, fluids, and cells. Girls, ages nine to 13 need 2. 5-6 quarts of blood.