Ryan likes to lift weights at the gym. He did a bench-press set of 10 reps with 225 pounds. On the last two reps, he struggled, and his arms shook as he pressed the weight up. Which cellular process was being utilized to support the energy needs of his muscles during this exercise?

A. Metabolic respiration
B. Lactic acid fermentation
C. Alcoholic fermentation
D. Aerobic respiration



Answer :

Final answer:

Aerobic respiration provided the energy support during Ryan's bench-press set.


Explanation:

Aerobic respiration is the cellular process that was being utilized to support the energy needs of Ryan's muscles during the bench-press set.

In aerobic respiration, glucose and oxygen react to form carbon dioxide, water, and ATP energy.

Additionally, muscles store myoglobin, which helps in efficient muscle contractions and less fatigue during aerobic activities.


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