{ muscular system making the body move. voluntary – you can control involuntary – work...
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{
Muscular SystemMaking the Body Move
Voluntary – you can control
Involuntary – work independently
Muscles are Smart
3 Types of
Muscle
Involuntary
Found throughout the body in organs and other tissues
Smooth Muscle
Involuntary
Found in the heart
Cardiac Muscle
Voluntary
Attaches to bones for movement
Skeletal Muscle
Flexors – Contract to pull muscles to flex at a joint. Relax during extension.
Extensors – Contract to extend a muscle. Relax when flexing
http://youtube/b1nywcSvpXo
Skeletal Muscle
Tendons – attach muscle to bone Achilles tendon
The muscular system also includes…
hamstrings