hormones in reproduction

Question 1

where is oestrogen produced ?

Answer 1

ovaries

Question 2

what is the main male reproductive hormone ?

Answer 2

testosterone

Question 3

what is the main female reproductive hormone ?

Answer 3

oestrogen

Question 4

where is testosterone produced ?

Answer 4

testes

Question 5

what does testosterone do?

Answer 5

stimulates sperm production

Question 6

what is the process called when an egg is released approx. every 28 day ?

Answer 6

ovulation

Question 7

where is FSH produces ?

Answer 7

the pituitary gland

Question 8

what does FSH do?

Answer 8

causes an egg to mature in the ovary

*stimulates the ovary to produce oestrogen

Question 9

where does oestrogen produce?

Answer 9

ovaries

Question 10

give 2 effects oestrogen has on the body ?

Answer 10

• causes the lining of the uterus to grow
• stimulates the release of LH (which causes the release of an egg)
• inhibits release of FSH

Question 11

where is LH(luteinising hormone) produces ?

Answer 11

pituitary gland

Question 12

give an effect LH has on the body ?

Answer 12

*stimulates the release of an egg at day 14 (ovulation )

Question 13

where is progesterone produced?

Answer 13

produces in the ovaries y the remains of the follicle after ovulation

Question 14

give 2 effects progesterone has on the body?

Answer 14

*maintains the lining of the uterus during the second
half of the cycle.
*inhibits the release of LH and FSH

Question 15

what happens when the level of progesterone falls ?

Answer 15

the uterus lining breaks down

Question 16

what happens in stage 1 of the menstrual cycle ?

Answer 16

day 1-menstrauton begins . the uterus lining breaks down for 4 day

Question 17

stage 2?

Answer 17

the uterus lining building up again from 4-14 into thick spongy layer full of blood vessels ready to receive fertilised egg

Question 18

stage 3?

Answer 18

an egg develops and is released fro the ovary

Question 19

stage 4?

Answer 19

wall is maintained

Question 20

name the stages of the menstrual cycle ?

Answer 20

1)LH causes ovary to release egg
2)FSH transported in the blood
3)FSH causes egg matures in ovary
4FSH stimulates ovary to release oestrogen
5)oestrogen released from the ovary

Question 21

name stages 6-10?

Answer 21

6) oestrogen transported into the blood
7) oestrogen prevents further release of FSH
8) oestrogen stimulates pituitary gland to release LH
9) LH is released from the pituitary gland
10) LH is transported into the blood which causes ovary to release egg