The slow rise in oxygen uptake over time during high-intensity, prolonged exercise is due to
A) high blood levels of lactic acid.
B) rising body temperature.
C) rising blood levels of insulin.
D) the increased amount of work necessary to maintain exercise.

Question

Quizplus · Accepted Answer

The slow rise in oxygen uptake during prolonged high-intensity exercise is primarily due to an increase in body temperature, which increases metabolic rate and oxygen demand.

The Slow Rise in Oxygen Uptake Over Time During High-Intensity