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According to American Heart Association, adult heart beats approx 100,000 times/day.
That’s about 60-100 beats/min or at least 1 beat/sec. In an avg lifetime, a human heart will beat over 2.5 billion times. (1/n)

#HeartFacts
#WorldHeartDay

Heart rate is affected by age & fitness level.Heart rate slows as children get older or adults get fitter. Chart frm National Institute of Health:

Newborn:70-160 bpm
1-4 yrs:80-120 bpm
5-9 yrs:75-110 bpm
10+ yrs & non-athletic adults: 60-100 bpm
Athletic adults:40 to 60bpm (2/n)
❤️ is actually a Handful
An adult heart is about size of that person’s hands clasped together in a double fist.Since people vary in size, most realistic assessment is made using ur own hands
Heart can also enlarge coz of illness & conditions-such as congestive heart failure.(3/n)
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