Special | 28m 48s
The human body has about 650 muscles and they come in all shapes and sizes. The muscles are part of the body’s muscular system. They give the body shape and movement. On this Science Trek, Host Joan Cartan-Hansen and Dr. Tony Joseph answer students’ questions about muscles and the muscular system.
Aired: 12/17/13Video has closed captioning.
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Major Funding Provided by the Laura Moore Cunningham Foundation