In human physiology, which endocrine organ secretes insulin and glucagon to maintain blood glucose homeostasis?
Answer and explanation
Correct answer: C. Pancreas (Islets of Langerhans)
- Step 1: Beta cells of the pancreatic islets secrete insulin to lower blood glucose, while alpha cells secrete glucagon to raise it. Answer: Pancreas (Islets of Langerhans). Why not the others: The thyroid secretes thyroxine; adrenal cortex secretes cortisol and aldosterone.
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