Question

1. Name the endocrine cells present in the pancreas.
2. Name two hormones secreted by the above mentioned cells.
3. Mention one main function of each hormone named above.

Answer 1

(a) The endocrine cells present in the pancreas are organized into clusters called the islets of Langerhans. The main cells are alpha, beta, and delta cells.

(b) Two hormones secreted by these cells are:

• Glucagon (secreted by alpha cells).
• Insulin (secreted by beta cells).

(c) The main functions of these hormones are:

• Glucagon: It raises blood glucose levels by stimulating the liver to break down stored glycogen into glucose.
• Insulin: It lowers blood glucose levels by helping cells absorb sugar from the blood for energy or storage.