This is a timed quiz. You will be given 15 seconds per question. Are you ready?
15
What is the approximate time required for a heart-beat ?
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Ventricles are related to
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What vessel carries the venous blood to the lungs for oxygenation?
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In the human body, red blood cells are produced in
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Between which one of the following sets of blood groups, is the blood transfussion possible?
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The pH of Human Blood is ___?
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Which is the anti-coagulant substance in blood?
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When a child is born, what happens to its blood circulation?-
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Science Quiz 53
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