HISTOLOGY
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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What percentage of you blood is in your veins?
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85
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75
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65
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55
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Explanation:
Detailed explanation-1: -Because the walls of the veins are thinner and less rigid than arteries, veins can hold more blood. Almost 70 percent of the total blood volume is in the veins at any given time.
Detailed explanation-2: -Regarding the distribution of blood volume within the circulation, the greatest volume is found in the venous vasculature, which contains 60-80% of the blood volume. For this reason, veins are referred to as capacitance vessels.
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