heart beats 72 times in a male and _________Times in female in one minute.?
Correct answer: C. 80 Times
- A. 60 Times
- B. 70 Times
- C. 80 Times
- D. 85 Times
Explanation
A commonly taught comparison gives an average adult male heart rate of about 72 beats per minute and an adult female rate of about 80 beats per minute, making option c the intended answer. Students may choose 70 beats per minute by treating the male average as the female value, although actual heart rate varies with age, fitness and health rather than sex alone.
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The human heart is a four chambered muscular pump that maintains double circulation through the pulmonary and systemic circuits. Questions cover atria, ventricles, valves, major blood vessels, the cardiac cycle, pressure changes, the conduction system and ECG, while distinguishing arteries and veins from the chambers that receive or eject blood.
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