Documents Circulation and Gas Exchange The Heart The heart is a muscular organ that is divided into 4...

Slide 1 Slide 2 Slide 3 Circulation and Gas Exchange The Heart The heart is a muscular organ that is divided into 4 chambers:- 2 atria and 2 ventricles. (left and right)…

Documents Skeletal Muscle Purposeful movement Works with Nervous System Over 600 (657) 40-50% body weight...

Skeletal Muscle Purposeful movement Works with Nervous System Over 600 (657) 40-50% body weight Prefix myo and mys= muscle Prefix sarco=flesh What do all muscles have in…