Smita's father has been advised by a doctor to reduce his sugar intake (a) Name the disease he is suffering from and name the hormone whose deficiency causes it. (b)Identify the gland that secretes it and mentions the function of this hormone (c) Explain how the time and amount of secretion of this hormone is regulated in the human system.

a. Smita's father is suffering from diabetes mellitus, and the hormone whose deficiency causes this disease is insulin.

b. The gland which secretes this hormone is a pancreas. The function of the hormone insulin instrument in the blood sugar level in the body.

c. This is a fatal disease and constantly changes with the change in blood sugar level in the body. Leads to hyperglycemia when blood sugar level increases in the body, hypoglycemia when blood sugar level in the body decreases.