1. Skeletal Muscles
-attach to bones
-aid in movement

2. Tendons – attach muscles to bone
Tendons are strong, and do not stretch.

3. Tendons, ligaments, and cartilage all have limited blood supply.
How might this affect the ability to heal?

4. Contract Relax
Skeletal muscles often work in pairs

5. Muscle Growth
The more a muscle works, the more oxygen it needs, so new blood vessels form, and the muscle enlarges.

6. Bones, Tendons, Ligament Growth

7. What causes muscles to contract or relax?
neuron
Message from nerve causes contraction.
Then muscle relaxes.

9. Skeletal Muscle (Striated)
Smooth Muscle
Cardiac Muscle
Location
Attaches to bones
Makes up walls of hollow body structures
Heart
Action
Contracts – causes movement
Squeezes, pushes matter through a tube
Contracts chambers of heart
Control
Voluntary
Involuntary