Q:

How many quarts of blood are in the human body?

A:

The American Red Cross reports that an adult human has about 10 pints of blood in his body, which converts to about 5 quarts. When a person donates blood, he typically only provides 1 pint per donation.

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Full Answer

According to New York Hospital Queens, human blood contains plasma, which is 90 percent water and is responsible for carrying essential vitamins, electrolytes and proteins throughout the body. Blood also consists of red blood cells, which gives blood its red color and carries oxygen from the lungs to the body's cells; white blood cells, which are important in fighting off infection; and platelets, which are responsible for making blood clot after an injury.

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    How is oxygen transported around the human body?

    A:

    Oxygen is transported throughout the body via the cardiovascular system, according to the National Register of Personal Trainers, or NRPT. The lungs, blood, heart and blood vessels work together to carry oxygen around the body.

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    How does human blood differ from animal blood?

    A:

    Discrepancies in the concentrations of specific blood components, such as leukocytes, defensins, Toll receptors, B cells and T cells, differentiate human blood from animal blood. The closer the animal is to humans in terms of a common ancestor, the more similar blood becomes.

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    What does the blood carry?

    A:

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