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Role of Muscles in Movement

Why red muscl...

Question

Why red muscles have less sarcoplasmic reticulum?

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Solution

Red muscle fibre shows slow contraction (because of Slow ATPase activity and few number of sarcoplasmic reticulum thus few calcium ) .

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for muscle contraction is both sarcoplasmic (endoplasmic) reticulum as well as extracellular fluid in case of
a. Skeletal muscles
b. Smooth muscles
c. cardiac muscles

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