Question

the diagram shows the feedback loop between the pancreas and glucose levels in the blood. which activity is a person most likely doing at event x?
a. eating a meal
b. drinking water
c. exercising heavily
d. shivering in the cold

Explanation:

Event X leads to increased blood glucose. Eating a meal (A) raises blood glucose as food is digested. Drinking water (B) doesn't affect glucose. Heavy exercise (C) uses glucose, lowering levels. Shivering (D) uses energy but not directly increasing glucose like eating. So A is correct.

Answer:

A. eating a meal