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 9
Fact 20
Fact 13
Fact 5
Fact 8
Fact 2
Fact 25
Fact 15
Fact 18
Fact 19
Fact 10
Fact 21
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