how much blood is in the human body

Summary

Scientists estimate that the volume of blood in a human body is approximately 7 percent of body weight, or 4.7 to 5.5 liters (1.2 to 1.5 gallons) of blood for an average adult body with a weight of 150 to 180 pounds. 1 2 3

According to
1 wonderopolis.org 2 www.healthline.com 3 www.redcrossblood.org


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Summary 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.
Whole Blood Components | Red Cross Blood Services
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Summary The amount of blood in your body is generally equivalent to 7% of your body weight. But this is an estimate because it can depend on your sex, where you live, and other factors.
How Much Blood Is in the Human Body? - Healthline
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healthline.com
The amount of blood in a person’s body will depend on their age and size, but it is around 7–8% of an adult’s body weight. A person can lose around…
How much blood is in the human body? What to know - Medical News Today
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medicalnewstoday.com
The average adult has about 1.2 to 1.5 gallons (4.5 to 5.5 liters) of blood circulating inside their body , said Dr. Daniel Landau, a hematologist and oncologist at the University…
How much blood is in the human body? | Live Science
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Blood cells are made in the bone marrow. The bone marrow is the soft, spongy material in the center of the bones. It produces about 95% of the body 's blood …
Facts About Blood | Johns Hopkins Medicine
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hopkinsmedicine.org
How Much Blood Is in the Body? The amount of blood in your body depends on several factors, including age, weight, and sex. The average adult will have anywhere from…
How Much Blood Is In The Human Body? - rexmd.com
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rexmd.com
The human body produces around 2 million blood cells every second. The expected number of red blood cells in a single drop (microliter) of blood is 4.5–6.2 million in males…
Blood: Components, functions, groups, and disorders - Medical News Today
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The average hemoglobin level is between 13.5 to 17.5 grams per deciliter for men and 12 to 15.5 grams per deciliter for women. Most doctors won’t consider a transfusion until…
How Much Blood Can You Lose Without Severe Side Effects? - Healthline
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