Which of these is an organ of the endocrine system? O A. Liver
B. Hypothalamus
C. Heart
D. Cerebellum

a my answer is a.

liver

Explanation:

The pancreas and liver are both endocrine AND exocrine organs. As an endocrine organ, the pancreas secretes the hormones insulin and glucagon. As an exocrine organ, it secretes several enzymes that are essential for digestion in the small intestine.

the sphincter muscles at the end of the digestive tract is the anus.

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