Q25 of 805 Page 156

Draw well labeled diagrams of various types of muscles found in human body.

Types of muscles found in human body are- Striated muscles, smooth muscles, cardiac muscles.



Striated muscles- are tubular, cylindrical, unbranched, multinucleated fibres and is usually attached to skeleton. These are voluntary muscles.


Smooth muscles- this has spindle shaped, non striated uninucleated fibres and occurs in walls of internal organs. It is involuntary in action.


Cardiac muscle- it has striated, branched, uninucleated fibres and occurs in walls of heart it is involuntary in action. These cause the rhythmic contraction and expansion of heart throughout the life.


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