Human Body

Normal pulse rate of a person at rest is 60 to 80 beats/min Marked palpitations in women exceeds the heart rate men on 6-8 strokes. Heavy exercise can speed up the heart rate to more than 200 beats per minute. It is interesting to compare the mouse has a pulse rate of 500 beats per minute, rabbit \x96 200, frog \x96 30 and the elephant is just 20.

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