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  • Cardiac muscles are different from skeletal muscles as they are  Option: 1 Smooth  <div class='qna-option

Cardiac muscles are different from skeletal muscles as they are

 

Option: 1

Smooth

 


Option: 2

Involuntary

 


Option: 3

Multinucleate

 


Option: 4

All of these


Answers (1)

best_answer

 

 

Cardiac Muscles -

Location- 

  • These muscles are present in the walls of the heart and in the large veins like pulmonary veins and superior vena cava.

    
Structure- 

  • These show characters of both striped and unstriped muscles.
  • Each muscle fibre is a long and cylindrical structure having a definite sarcolemma. 
  • Fibres contain a single nucleus in the centre.
  • Fibres possess certain lateral branches that form a contractile network. 
  • These lateral branches are called oblique bridges.
  • Cardiac muscles have intercalated discs. 
  • Intercalated discs function as boosters of contractions wave and permit the wave of muscle contraction to be transmitted from one cardiac fibre to another.

 

-

 

 

 

 

Cardiac muscles are involuntary and striated

Posted by

vishal kumar

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