When John first bought his new house,he could mow the yard in the morning and then go for a run in the afternoon.John,who is now in his late fifties,finds that mowing the yard completely wipes him out for the day.John is experiencing a decline in his
A) reserve stamina.
B) reserve capacity.
C) reserve capability.
D) reserve oxygen supply.

Question

Quizplus · Accepted Answer

Reserve capacity refers to the amount of energy or stamina one has available beyond what is normally used in daily activities. As John has aged, his reserve capacity has likely decreased, resulting in him being more easily fatigued from his normal activities. The other options do not accurately describe the situation.

When John First Bought His New House,he Could Mow the Yard