Question

Fill in the blanks:
1. Physical changes occur due to some chemical substances known as ………..
2. Thyroid gland secretes ……………. hormone.
3. Thymus gland secretes …………….. hormone.
4. Our sleeping cycle is regulated by …………… hormone.
5. AIDS is caused by virus called …………..

Answer 1

Answer:

Ok.!

Explanation:

Well,

1. Hormone
2. thyroxine
3. thymocin
4. Melatonin
5. human immunodeficiency virus.

Answer 2

Answer:

1. Physical changes occur due to some chemical substances known as Hormones

2.Thyroid gland secretes Thyroxine hormone.

3. Thymus gland secretes Thymosin hormone.

4. Our sleeping cycle is regulated by Melatonin hormone.

5. AIDS is caused by virus called Human Immunodeficiency virus.

Hormones: are body's chemical messengers  that travels in bloodstream to tissues or organs. They can influence the function of the immune system and even effect on behavior.

Some important hormones are:

1) Hormones of Thyroid

2) Insulin

3) Estrogen

4) Progesterone

5) Prolactin

6) Testosterone

7) Serotonin

8) Cortisol

9) Adrenaline

10) Growth Hormone