Hormones In Initiating Reproductive Functions

Question 1 Name 2 sex cell or gametes?

Question 2 Name 2 sex hormones?

Question 3 What are the function of testosterone hormone?

Question 4 What are the function of estrogen hormone?

The changes which occur at adolescence are controlled by hormones.Puberty begins with a sudden increase in production of hormones in the body which cause a number of changes in boys and girls.The testes and ovaries produce sex cells or gametes( sperm and ova or eggs)

Testes make male sex hormone called testosterone.The ovaries make female sex hormone called estrogen.

The production of these sex hormones is under the control of another hormone secreted by Pituitary gland.Rise in the level of sex hormones is responsible for the changes in the bodies of adolescent boys and girls at puberty.

The hormones from pituitary gland stimulate testes to release male sex hormones testosterone at the onset of puberty in boys.Testosterone hormone performs the following functions:

1)testosterone hormone produced male secondary sexual characteristics in boys at puberty.

2)It causes the growth and development of male sex organs at puberty.

3)It causes growth spurt in boys at puberty.

The hormones from pituitary gland stimulate ovaries to release female sex hormones estrogen at the onset of puberty in girls. Estrogen hormone perform the following function:

1)It produces female secondary sexual characteristics in girls at puberty.

2)It causes the growth and development of female sex organs at puberty.

3)It brings about the monthly preparation of uterus fro pregnancy.