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Red and White Muscle - Differences

The slow twit...

Question

The slow twitch muscle fibres which are rich in myoglobin and have abundant mitochondria are?

A

White skeletal muscles

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B

Cardiac muscles

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C

Red skeletal muscles

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D

Involuntary muscles

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Solution

The correct option is C White skeletal muscles
A. White skeletal muscles
EXPLANATION: White skeletal muscles have high concentrations of myoglobin and mitochondria. These muscles have fast-twitch fibers, which can contract very fast with force, but not for a very long time. They are surrounded by more capillaries.

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