Glycogen breakdown in which of the following tissues can be used to support blood glucose levels during periods of fasting?
A) skeletal muscle
B) adipose tissue
C) liver
D) brain
E) spleen

Question

Quizplus · Accepted Answer

The liver is the primary site of glycogen storage in the body and is also responsible for releasing glucose into the bloodstream during periods of fasting to maintain blood glucose levels. Glycogen breakdown in skeletal muscle can only be used locally for energy in the muscle itself, whereas adipose tissue and the spleen do not have a significant role in glycogen breakdown and glucose release. The brain primarily uses glucose as an energy source, but does not have significant glycogen stores.

Glycogen Breakdown in Which of the Following Tissues Can Be