1
Question
The heart beats at an average of ____times/minute.
The heart beats at an average of ____times/minute.
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Solution
The correct option is C 72
The correct option is C:
Explanation of correct option:
- The heart pumps the blood to arteries by the rhythmic contraction of heart muscles.
- after the contraction heart relaxes and gets filled up by the blood from the pulmonary vein.
- A complete rhythmic contraction followed by its relaxation constitutes a heartbeat.
- The average human heart beats at 72 times per minute.
Final answer: The heart beats at an average of 72 times/minute.
72
The correct option is C:
Explanation of correct option:
- The heart pumps the blood to arteries by the rhythmic contraction of heart muscles.
- after the contraction heart relaxes and gets filled up by the blood from the pulmonary vein.
- A complete rhythmic contraction followed by its relaxation constitutes a heartbeat.
- The average human heart beats at 72 times per minute.
Final answer: The heart beats at an average of 72 times/minute.
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