In which of the following functions are white | vedclass

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(C) White muscle fibres,also known as fast-twitch fibres,contain less myoglobin and fewer mitochondria. They are adapted for rapid,powerful contractio

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For sustained work at a slow rate for a prolonged duration

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(C) White muscle fibres,also known as fast-twitch fibres,contain less myoglobin and fewer mitochondria. They are adapted for rapid,powerful contractions but fatigue quickly.They are primarily used for:$1$. Moving of eye balls.$2$. Fast and strenuous work for short duration.$3$. Fast flights as in sparrows.They are not used for sustained work at a slow rate for a prolonged duration,as this function is performed by red muscle fibres (slow-twitch fibres),which are rich in myoglobin and mitochondria and are resistant to fatigue.

In which of the following functions are white muscles not used?

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