what percent of body weight does the blood account for?
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The amount of blood in the human body is generally equivalent to 7 percent of body weight. The average amount of blood in your body is an estimate because it can depend on how much you weigh, your sex, and even where you live.
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Children: The average 80-pound child will have about 2,650 mL of blood in their body, or 0.7 gallons. Adults: The average adult weighing 150 to 180 pounds should have about 1.2 to 1.5 gallons of blood in their body. This is about 4,500 to 5,700 mL.
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A unit of whole blood is 450 milliliters. The average specific gravity of human whole blood is approximately 1.06, so on average, a unit of whole blood will weigh 477 grams.
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In normal males, unspecified with respect to age, the average values for plasma volume range from 49.7 to 36.7 ml/kg and from 85. I to 65.5 ml/kg for blood volume.
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The volume of blood in a woman's body increases by 50 percent during pregnancy, and cardiac output increases by 40 percent. This is your body's way to help support the uterus and your fetus to grow. The body manufactures 20 percent additional blood cells to carry more oxygen around the body.
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Body fat is the portion of your total weight that is fatty (adipose) tissue. Body weight includes body fat and all other components of your body including bone, organs, fluid, muscle, etc. Body fat is typically shown as a percentage of your total weight.
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Scientists estimate the volume of blood in a human to be approximately 7 percent of body weight. An average adult with a weight of 150 to 180 pounds will contain approximately 1.2 to 1.5 gallons (4.7 to 5.5 liters) of blood.
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Water is of major importance to all living things; in some organisms, up to 90% of their body weight comes from water. Up to 60% of the human adult body is water. According to H.H. Mitchell, Journal of Biological Chemistry 158, the brain and heart are composed of 73% water, and the lungs are about 83% water.
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Plasma is the liquid portion of blood. About 55% of our blood is plasma, and the remaining 45% are red blood cells, white blood cells and platelets that are suspended in the plasma.
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For men, a healthy fat percentage is between 10% and 20% and for women, between 18% and 28%. Muscle mass percentage: as the term suggests, this number indicates how much of your total weight is muscle mass. This is calculated by dividing the weight of your muscle mass by your total body weight.
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The hematocrit measures the volume of red blood cells compared to the total blood volume (red blood cells and plasma). The normal hematocrit for men is 40 to 54%; for women it is 36 to 48%. This value can be determined directly by microhematocrit centrifugation or calculated indirectly.
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Water is present both inside and outside cells. In the body of a mammal for example although it is about 70% water by weight, about 46% (approximately 2/3) is inside cells, and about 23% (approx. 1/3) is present outside cells in blood plasma and other body fluids.
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The percentage of salt in our blood is about 9 g/L -- or . 9 percent by weight. The acidity of our blood is tightly controlled by our body chemistry.
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Body fat percentage distinguishes fat from muscle and calculates the percentage of body fat in the body. While BMI is a rough estimate of body fat, body fat percentage is a more accurate number.
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adult will have approximately 1.2-1.5 gallons (or 10 units) of blood in their body. Blood is approximately 10% of an adult's weight.
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Generally speaking, to calculate the percentage of bodyweight lifted upward, simply add up the percentages of all the body parts that are moving (or not moving) directly against gravity.
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Let's see – it is estimated that an adult human has about 7 billion billion billion atoms (that's a 7 followed by 27 zeros!!). Your hands take up about one half of a percent of your total body weight – so one hand takes up about a quarter of a percent, or 0.025th of your total body weight.