lesson 12 puberty and the menstrual cycle

Question 1

hormones produce sexual characteristics when

Answer 1

at puberty

Question 2

at puberty, your body starts to release what

Answer 2

sexual hormones

Question 3

sexual hormones trigger off what

Answer 3

secondary sexual characteristics

(facial hair, breasts)

Question 4

sexual hormones also cause eggs to do what for women

Answer 4

mature

Question 5

in men, the main reproductive hormone is what

Answer 5

testosterone

Question 6

testosterone is produced by the what

Answer 6

testes

Question 7

testosterone stimulates what

Answer 7

sperm production

Question 8

in women the main reproductive hormone is what

Answer 8

oestrogen

Question 9

oestrogen is produced by what

Answer 9

the ovaries

Question 10

stage 1/ day 1 of the menstrual cycle, what occurs

Answer 10

menstruation starts, where the lining breaks down for about 4 days

Question 11

stage 2 from day 4 to 14, what occurs

Answer 11

the uterus lining builds up again, into a thick spongey layer full of blood vessels, ready to receive a fertilised egg

Question 12

stage 3- at day 14 what occurs

Answer 12

an egg develops and is released from the ovary- called ovulation

Question 13

stage 4- from day 14 to 28

Answer 13

the wall is then maintained, if no fertilised egg has landed on the uterus wall by day 28,the spongey lining starts to breakdown restarting the whole menstrual cycle

Question 14

the menstrual cycle is controlled by which 4 hormones

Answer 14

oestrogen
progesterone
FSH
LH

Question 15

oestrogen is produced where

Answer 15

by the ovaries

Question 16

the oestrogen causes what

Answer 16

the lining of the uterus to grow

Question 17

oestrogen stimulates the releasement of what

Answer 17

LH and inhibits a release of FSH

Question 18

FSH is known as what

Answer 18

follicle-stimulating hormone

Question 19

FSH is produced where

Answer 19

by the pituitary gland

Question 20

FSH causes an egg to what

Answer 20

mature in one of the ovaries, in a structure called follicle

Question 21

LH is known as what

Answer 21

luteinising hormone

Question 22

LH is produced where

Answer 22

by the pituitary gland

Question 23

LH stimulates what

Answer 23

the release of an egg at day 14 (ovulation)

Question 24

progesterone is produced where

Answer 24

in the ovaries by the remains of the follicle after ovulation

Question 25

progesterone maintains what

Answer 25

the lining of the uterus during the second half of the cycle

Question 26

when the level of progesterone falls what occurs

Answer 26

the lining breaks down

Question 27

progesterone inhibits the releasement of what

Answer 27

FSH and LH