insulin. lipids. hemoglobin. hydrochloric acid.
I gave my students this multiple choice question: Prolonged exercise stimulates muscle cells to absorb sugar from the blood. This mechanism reduces stress placed on the body by signaling the body to produce

Only one answer is correct among these 4 choices:
- insulin.
- lipids.
- hemoglobin.
- hydrochloric acid.

Could you tell me which one is correct?

insulin.