When a person is exercising very intensely,what is the major source of fuel?
A)creatine phosphate.
B)fatty acids.
C)glucose.
D)protein.

Question

Quizplus · Accepted Answer

Glucose is the primary source of fuel for intense exercise because it can be quickly metabolized for energy. While creatine phosphate and fatty acids can also contribute to energy production during exercise, glucose is the most efficient and immediate source of fuel for high-intensity activity. Protein is not a suitable source of fuel during exercise.

When a Person Is Exercising Very Intensely,what Is the Major