Compare and contrast the three types of muscle tissue. be sure to include their structures, their functions, and an example of each.

Skeletal muscles 
Structure; they are long cylindrical fiber, striated, many peripherally located nuclei.
Functions; Voluntary movement, produces heat, protects organs.
Examples; the biceps, slow twitch fibers, fast glycolytic fibers.

Cardiac muscles
Structure; they are short, branched, striated, single central nucleus
Functions; Contracts to pump blood, they are found in the heart
Examples; Heart muscles 

Smooth muscles
Structure; They are short, spindle shaped, no evident of striation, single nucleus in each fiber
Function; Involuntary movement, moves food, involuntary control of respiration, moves secretions, regulates the flow of blood in arteries by contraction. 
Example; Muscles found in the walls of hollow organs like the intestines, stomach and the blood vessels. 

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