PATHOLOGY MCQ
BLOOD VESSELS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Why are human cardiac systems referred to as ‘Double Circulatory Systems’?
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The heartrate can be doubled to pump more blood around the body when exercising.
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There are two ‘dubs’ (dub-dub) in one heart beat.
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The blood moves through the heart twice to be pressurized twice.
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Becasue there are two different kinds of blood vessels that are attached to the heart (arteries and veins).
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Explanation:
Detailed explanation-1: -If blood flows through the heart twice for completing one circulation, it is called double circulation.
Detailed explanation-2: -2. Why is the Double Circulation of Blood Necessary in Human Beings? Double circulation in human beings allows the separation of oxygenated and deoxygenated blood in the body. It helps in maintaining the high blood pressure required for essential processes.
There is 1 question to complete.