Question

Mention one function for each of these hormones: (a) Thyroxin (b) Insulin (c) Adrenaline (d) Growth hormone (e) Testosterone.

Answer 1

Hormones:

Hormones are the chemical messengers secreted by the endocrine glands distributed throughout the body.

Function of some hormones:

a. Thyroxin:

1. The hormone that is secreted into the stream of blood by the thyroid gland is thyroxin.
2. Thyroxin plays a crucial role in heart and muscle function, digestion, bone maintenance, and brain development.

b. Insulin:

1. The main function of insulin is to allow glucose to enter the cells so that it can be used as energy.
2. Insulin helps to maintain the normal level of glucose found in the bloodstream.

c. Adrenaline:

Adrenaline triggers the flight response of the body.

d. Growth hormone:

The main function of growth hormone is to enhance the growth in humans.

e. Testosterone:

1. Testosterone in males, increases the mass and size of the bones, muscles, and vocal cord.
2. It stimulates body hair growth including chest, abdominal, and public hair.