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What is the approximate stroke volume?(a) 250 ml(b) 5000 ml(c) 70 ml(d) 500 mlThis question was addressed to me by my college professor while I was bunking the class.My question is from Human Circulatory System in chapter Body Fluids and Circulation of Biology – Class 11

Answer»

Correct choice is (C) 70 ml

Explanation: 72 CARDIAC cycles TAKE place in one minute. The duration of one cardiac cycle is 0.8 seconds. During each cardiac cycle, each of the two ventricles pump 70 ml of blood, which is KNOWN as the stroke VOLUME.



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