lesson 11 menstrual cycle

Question 1

during puberty, reproductive hormones cause what to develop

Answer 1

secondary sexual characteristics

Question 2

what’s an example of a secondary sexual characteristic

Answer 2

pubic hair

Question 3

in men, the testes produce what hormone

Answer 3

testosterone

Question 4

testosterone does what

Answer 4

it stimulates the testes to produce sperm

Question 5

in women, the ovaries produce which hormone

Answer 5

oestrogen

Question 6

once puberty begins, eggs in the ovaries do what

Answer 6

they start to mature

Question 7

every 28 days what is release

Answer 7

an egg- called ovulation

Question 8

every 28 days what takes place

Answer 8

ovulation
(ovaries releases an egg)

Question 9

in preparation for ovulation to take place, what occurs to the uterus lining

Answer 9

it becomes thick and spongy

Question 10

as the egg makes it way down the uterus, if sperm is present, what can occur

Answer 10

the egg can be fertilised

Question 11

if your egg can be fertilised as sperm is present as your egg makes it down the uterus, what can occur

Answer 11

your fertilised egg can implant into the uterus wall and develop into a baby

Question 12

if your egg does not get fertilised, then what occurs

Answer 12

both the egg and uterus lining are released

-called a period

Question 13

FSH is known as what

Answer 13

follicle-stimulating hormone

Question 14

FSH causes what

Answer 14

an egg to mature in the ovary

Question 15

LH is known as what

Answer 15

luteinising hormone

Question 16

LH causes the egg to what

Answer 16

be released, also known as ovulation

Question 17

oestrogen is produced by the what

Answer 17

ovary

Question 18

oestrogen and progesterone are involved in what

Answer 18

maintaining the uterus lining
(in case the egg is fertilised and implants)

Question 19

FSH is produced by what

Answer 19

the pituitary gland

Question 20

FSH travels where

Answer 20

in the blood to the ovaries

Question 21

what does FSH cause

Answer 21

an egg to mature

Question 22

at the same time, FSH triggers the ovaries to make what

Answer 22

oestrogen

Question 23

oestrogen causes the lining of the uterus to become what

Answer 23

thick

Question 24

oestrogen also stops the pituitary gland from releasing anymore what

Answer 24

FSH

Question 25

instead of FSH the pituitary gland now releases what

Answer 25

LH

Question 26

LH triggers what

Answer 26

ovulation
(mature egg is released)

Question 27

once the ovary has released its egg, the ovary then produces which hormone

Answer 27

progesterone

Question 28

progesterone stops the pituitary gland from releasing what

Answer 28

FSH and LH

Question 29

why does progesterone keep the lining of the uterus thick

Answer 29

in case a fertilised egg implants

Question 30

if fertilisation does not take place, what happens to the level of progesterone

Answer 30

it falls

Question 31

the uterus lining and the egg are released, which causes what

Answer 31

a period

Question 32

the level of FSH rising causes what

Answer 32

the ovaries to release oestrogen

Question 33

as the level of oestrogen increases this inhibits the production of FSH, so what happens to the level of FSH

Answer 33

it falls

Question 34

oestrogen triggers the release of LH, so the LH level rises to a peak when

Answer 34

at day 14

Question 35

LH trigger ovulation, and once this occurs, what occurs

Answer 35

the ovary now releases progesterone

-meaning the progesterone level rises

Question 36

if fertilisation does not occur, then progesterone levels do what

Answer 36

they fall

Question 37

if the progesterone levels fall what occurs

Answer 37

the woman is then on her period