The Heart: Heart Basics
Special | 4m 48s
The heart is a muscle about the size of your fist, small but packs a punch. Your heart beats more than 30 million times a year and vital to keeping you alive and healthy. Find out more about the heart at the famous two-story heart at the Franklin Institute in Philadelphia.
Aired: 02/01/18Video has closed captioning.
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Funding is provided by the Laura Moore Cunningham Foundation, the Idaho National Laboratory and Walmart and the Walmart Foundation