What do u understand by the term heart beat ?
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Heartbeat is a pulsation of the heart, including one complete systole and diastole.
A Normal human heart beats 60 to 100 beats per minute.
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Answer:
Heart rate is the speed of the heart beat measured by the number of contractions of heart per minute.the heart rate may vary according to body's physical need.
A heart rate is the number of times your heart beats in the span of a minute.
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