Question

what is the name of the organ in the endocrine system that secretes insulin?

adrenal.
liver.
pancreas.
pituitary.

Explanation:

Identify the function of insulin and its source organ

Insulin is a vital hormone responsible for regulating blood glucose levels. It is produced and secreted by the beta cells located in the islets of Langerhans within the pancreas.

Evaluate the given options

• Adrenal: Secretes hormones like adrenaline, cortisol, and aldosterone.
• Liver: Performs metabolic functions and processes nutrients, but does not secrete insulin.
• Pancreas: The primary endocrine organ that secretes insulin and glucagon.
• Pituitary: The master gland regulating other endocrine glands, but does not produce insulin.

Answer:

• Adrenal.
• Liver.
• Pancreas. (Correct answer)
• Pituitary.