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Which of the following is true w.r.t the skeletal muscles?

 

Option: 1

These are involuntary muscles

 


Option: 2

These are voluntary muscles

 


Option: 3

These are multinucleated

 


Option: 4

Both b and c


Answers (1)

best_answer

 

 

Striped or Striated or Skeletal or Voluntary Muscle -

Location-

  • Skeletal muscles are found in limbs, body walls, pharynx, initial regions of the oesophagus.
  • These are voluntary muscles i.e. they are under the control of an individual’s will. 

Structure- 

  • These muscles fibres are found in the form of bundles.
  • These are attached to the skeleton.
  • A muscle fibre is an elongated cell. It is surrounded by sarcolemma ( plasma membrane of muscle fibre).
  • These muscle fibres are multinucleated. Nuclei are irregularly scattered in the cytoplasm of muscle fibre which is called sarcoplasm. 
  • In the sarcoplasm, tightly bound myofibrils are present.

The skeletal muscles are voluntary muscles i.e. they are under the control of an individual’s will. These skeletal muscle fibres are multi nucleated.

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Pankaj Sanodiya

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