amazing facts about your heart

Confusing Words in English Language. Free Reading..

Fact 7

Amazing Facts About Your Heart

Random human heart facts, including surprising statistics, revolutionary discovers, and diseases.
Fact 7

The first heart cell starts to beat as early as 4 weeks.

Fact 20
Fact 4
Fact 6
Fact 16
Fact 24
Fact 3
Fact 22
Fact 14
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