1.

State three differences between red muscle fibre and white muscle fibre.

Answer»

Red muscle fibre: 

• Thin muscle fibres. 

• Contains pigment myoglobin hence dark red in colour. 

• Gets energy from aerobic respiration.

White Muscle fibre: 

• Thick muscle fibres. 

• Light in colour due to lack of myoglobin. 

• Gets energy from anaerobic respiration.



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