amazing facts about your heart

Fact 5

Amazing Facts About Your Heart

Random human heart facts, including surprising statistics, revolutionary discovers, and diseases.
Fact 5

The heart does the most physical work of any muscle during a lifetime.

Fact 24
Fact 22
Fact 3
Fact 18
Fact 19
Fact 13
Fact 25
Fact 15
Fact 12
Fact 1
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