2023
Biology
POST UTME
Fatigue of leg muscles may occur after riding many kilometers on a bicycle because of
A.
insufficient glucose
B.
insufficient oxygen
C.
excess carbondioxide
D.
excess protein
Correct Answer: insufficient oxygen
Explanation
Insufficient oxygen triggers anaerobic respiration.
Anaerobic respiration in muscles produces lactic acid. It is the accumulation of this acid that causes fatigue.
Insufficient oxygen triggers anaerobic respiration.
Anaerobic respiration in muscles produces lactic acid. It is the accumulation of this acid that causes fatigue.
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