Difference between skeletal muscle and cardiac muscle action potential
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Skeletal Muscle
1. Function
Aid in movement of the body
2. Structure
Distributed throughout body
Attached to the skeleton by tendons.
Striated
Well-supplied with nerves and blood vessels.
Multinucleated cells
3. Other features
Voluntary
Activated by central nervous system
Stretch and resume original shape.
Contract rapidly but tire quickly.
Smooth Muscle
Smooth Muscle
1. Function
Maintain flow of fluid and food along through internal organs.
2. Structure
In lining of internal organs
Smooth appearance under a microscope.
Non-striated
3. Other Features
Involuntary
Regulated by autonomic nervous system.
Slow, rhythmic contraction
Fatigue slowly.
Cardiac Muscle
1. Function
Pump blood away from the heart towards the lungs and throughout the body
2. Structure
Along walls of heart
Striated
Good blood supply.
Mononucleated cells
3. Other Features
Involuntary
Controlled by autonomic nervous system
Tireless