What is the duration of one cardiac cycle in man when the heart beats for 75 times per minute?

0.4 seconds

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0.8 seconds

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0.5 seconds

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0.3 seconds

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Solution

The correct option is C 0.8 seconds
Duration of cardiac cycle in man at 75 heart beat/ min= Time in seconds/ number of heart beat= 0.85 seconds.
Thus, the correct answer is option B.

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