Question

explain the structure of straited and un-straited muscles
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Answer 1

Answer:

Striated muscle tissue is a muscle tissue that features repeating functional units called sarcomeres. The presence of sarcomeres manifests as a series of bands visible along the muscle fibers, which is responsible for the striated appearance observed in microscopic images of this tissue.

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Answer 2

$\Large\text{ straited muscles structure -}$

• they have light  and dark bands or  striations.
• they move as per  our will.
• attached to all  bones and help in  movement.
• long cylinder  shaped unbranched cells  
• multinucleated (many  nuclei)
• fibres arranged in  form of bundles

$\Large\text{ un-straited muscles structure -}$

• they do  not show light and dark  bands.  
• they do not move as per our  will.
• spindle shaped cells  
• uninucleated
• fibres  arranged in form of sheets

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