how much blood is in the human body in liters?
(A) One litre
(B) Three litres
(C) Five litres
(D) Seven litres
Correct Answer : Five litres
The average adult has a blood volume of roughly 5 liters, which is composed of plasma and several kinds of cells. By volume, the red blood cells constitute about 45% of whole blood, the plasma about 54.3%, and white cells about 0.7%.
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