SAT Subject Biology Practice Question 74: Answer and Explanation

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Question: 74

4. This organ secretes a hormone that causes the liver to break down glycogen.

A. Thyroid
B. Pancreas
C. Parathyroid
D. Adrenal medulla
E. Anterior pituitary

Correct Answer: B


The pancreas secretes glucagon in response to low blood glucose levels. This causes the liver to release glucose into the bloodstream.

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