Select the correct answer. What begins when the exercise intensity demands ATP production at a higher rate than the energy systems can supply it?
A.
Lactic acid
OB
Muscle fatigue
The ATP-PC system
C.
D. VO2 max

Which example is a indication of stress a. becoming more alert b. narrowing air passages c. slowing down if the heartbeat d. decreasing blood sugar with adrenaline

Why is it so important to have a lifetime commitment to training? a-it takes your entire life to become fit b-it keeps you from becoming bored c-you will lose strength and endurance once you stop exercising d-it increases your motivation in life

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