Muscles
Special | 28m 48s | Video has closed captioning.
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: 12/17/13
Problems Playing Video? | Closed Captioning