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It is depend on the person health of the person for a healthy man about 70 beats per minute...children are higher about 90 beats per minute...Athletes are usually lower about 60 beats per minute.
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a human heart beats 80 times a minute...(64-72 times in a healthy man and 72-80 in a healthy woman) 
    i hope that this will help u................^_^
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The normal value is roughly 72 times. But it may vary according to the
1. physical conditions (Sendentary condition, vigourous exercise, etc...).
2. environmental conditions.
3. The actual and biological age of the heart.
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