8

What methods would the body use to provide a person with energy throughout a race?

Answer:

The body uses stored ATP and phosphocreatine for immediate energy, breaks down glucose without oxygen for quick energy, and uses oxygendependent cellular respiration to make ATP from carbohydrates and fats as the race continues.

9

Which of the following did you include in your response? Check all that apply.

A
For the first 3 seconds, the muscle cells use the ATP they have within them.
B
For the next 8-10 seconds, the muscles use creatine phosphate stores to provide ATP.
C
For the next 90 seconds, the body uses anaerobic respiration to provide ATP.
D
For the remainder of the race, the body uses aerobic respiration to provide ATP.
10

What pathway uses fat reserves to produce ATP?

A
aerobic respiration
B
anaerobic respiration
C
creatine phosphate
11

In which type of exercise would fat reserves be used to create ATP?

A
a strenuous, short hike with many steep climbs
B
a moderate, but long hike over gently rolling hills

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