Class 11 · Locomotion and Movement

Muscle Fatigue and Fiber Classification — NEET Biology

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Repeated stimulation of muscles leads to fatigue. Muscles are classified as Red and White fibres based primarily on the amount of red coloured myoglobin pigment in them.

NCERT Biology · Class 11 · Chapter 17 · Paragraph 45
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Assertion (A): Muscle fibres can be classified based on their metabolic characteristics. Reason (R): Red fibres depend on anaerobic processes while white fibres utilize oxygen for ATP production.

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