Give reason:
Pituitary is popularly called as the master gland.

Give reason:
People living in the low Himalayan hilly regions often suffer from goitre.

Identify the gland with the help of following clues:

(a) The gland is like a cap on top of each kidney.

(b) The gland is both a duct gland as well as a ductless gland.

(c) A bilobed (butterfly-shaped) gland.

(d) The gland is located in mid-brain below the hypothalamus.

Study the diagram given below and then answer the questions that follow:

(a) Name the cells of the pancreas that produce (1) glucagon (2) insulin.

(b) State the main function of (1) glucagon and (2) insulin.

(c) Why is the pancreas referred to as an exo-endocrine gland?

(d) Why is insulin not given orally but is injected into the body?

(e) What is the technical term for the cells of the pancreas that produce endocrine hormones?

(f) Where in the body is the Pancreas located?