Topics: Anatomy - Muscle Contraction and Growth Quiz
Aerobic respiration uses this as its main energy source
A. creatine phosphate
B. glucose
C. lactic acid
D. pyruvic acid
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Muscle fatigue is…
A. when the muscle is unable to contract
B. when you are too tired to exercise
C. when the muscle is contracted more than 30 secondsd
D. when O2 comes from direct phosphorylation