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Animal Tissues - Muscular Tissue

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Muscular Tissue

These tissues are composed of long, tube-shaped fibres, which are structured in parallel arrays and are mainly composed of numerous fine fibrils, called myofibrils. Muscular tissues play a vital role in contraction, relaxation and other bodily movements. There are three different types of muscular tissues: skeletal muscles, smooth muscles, and cardiac muscles.

striated muscle

smooth muscle

Cardiac Muscles

  • These are special kinds of involuntary muscles.

  • The muscles of the heart are called Cardiac Muscles they perform rhythmic contraction and relaxation throughout our life.

  • They are cylindrical in shape, they have branches and there is a single nucleus.

  • Cardiac muscle consists of individual heart muscle cells connected by intercalated discs to work as a single functional organ

 

 

 

 

Shaalaa.com | Muscular Tissue: Skeletal, Smooth, Cardiac muscle tissue

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Muscular Tissue: Skeletal, Smooth, Cardiac muscle tissue [00:18:07]
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