Insulin and glucagon are hormones secreted by the _____ to control the levels of fats, carbohydrates, and proteins in the whole body.

• A. pancreas
• B. stomach
• C. pituitary gland
• D. liver

Answer: (A)

Verified step by step guidance

1. Identify the function of each organ listed in the options: pancreas, stomach, pituitary gland, and liver.
2. Understand the role of insulin and glucagon in the body. Insulin helps lower blood glucose levels, while glucagon increases them.
3. Determine which organ is responsible for secreting insulin and glucagon. Recall that these hormones are involved in regulating blood sugar levels.
4. Consider the pancreas, which is known for its role in the endocrine system, specifically in the regulation of blood sugar through hormone secretion.
5. Conclude that the pancreas is the organ that secretes insulin and glucagon to control the levels of fats, carbohydrates, and proteins in the body.