Which is an endocrine gland?

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Multiple Choice

Which is an endocrine gland?

Explanation:
Endocrine glands release hormones directly into the bloodstream to regulate activities throughout the body. The pancreas does this through its islets of Langerhans, which secrete hormones like insulin and glucagon that travel in blood to control blood sugar. While the pancreas also has exocrine tissue that releases digestive enzymes into the gut, its hormonal-secreting portion defines its endocrine role. Hair is not a gland and skin and heart are not primarily glands that secrete hormones into the blood (skin mainly has surface glands, and the heart’s main job is pumping blood). Hence, the pancreas is the endocrine gland.

Endocrine glands release hormones directly into the bloodstream to regulate activities throughout the body. The pancreas does this through its islets of Langerhans, which secrete hormones like insulin and glucagon that travel in blood to control blood sugar. While the pancreas also has exocrine tissue that releases digestive enzymes into the gut, its hormonal-secreting portion defines its endocrine role. Hair is not a gland and skin and heart are not primarily glands that secrete hormones into the blood (skin mainly has surface glands, and the heart’s main job is pumping blood). Hence, the pancreas is the endocrine gland.

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