Tip - 11 Surprising Facts About the Circulatory System

Published 9 years, 3 month(s) ago | Submitted by Judah Cohen

11 Surprising Facts About the Circulatory System

The human circulatory system was once a subject of great mystery, but now, modern science has revealed its inner workings. Here are 11 surprising facts about the human circulatory system.

For further reading: http://www.livescience.com/39925-circulatory-system-facts-surprising.html

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Posted: 9 years, 3 month(s) ago

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