Skeletal Muscles -attach to bones -aid in movement.

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Presentation transcript:

Skeletal Muscles -attach to bones -aid in movement

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

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

Contract - Relax Skeletal muscles often work in pairs

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

Bones, Tendons, Ligament Growth

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

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