After several hours of fasting, blood glucose levels tend to decrease because glucose is absorbed into the cells and broken down during cellular respiration. Glucose in the blood is replaced during fasting as

Question 12 options:

glucagon is secreted and converts stored glycogen into glucose

decreased production of insulin stimulates conversion of glycogen to glucose

glycogen is secreted and converts stored glucagon into glucose

increased production of insulin stimulates conversion of glycogen into glucose

Correct answer: glucagon is secreted and converts stored glycogen into glucose