Topic 13. Reproduction

Question 1

what is function of bladder

Answer 1

stores urine

Question 2

what is function of the sperm duct

Answer 2

tube through which sperm travels on way to the glands (produced in testis, goes to glands, then sperm duct)

Question 3

what is the function of the urethra?

Answer 3

tube that carries urine or semen

Question 4

what is function of glands

Answer 4

produce fluids provide sperm w nutrients

mixture of sperm and fluid = semen

Question 5

foreskin

Answer 5

skin that protects end of p

Question 6

what is function of testis

Answer 6

organs which make male gamete sperm adn testosterone

Question 7

what is function of scrotum

Answer 7

bag of skin that holds testis

Question 8

what is the function of the ovary?

Answer 8

produces female gamete (egg)

Question 9

what is the function of oviduct?

Answer 9

tube lined w tiny hairs called cilia, that connects ovaries to uterus

Question 10

function of uterus

Answer 10

muscular bag in which a baby develops until its birth

Question 11

function of lining of uterus

Answer 11

shed during mentstrual cycle

Question 12

cervix

Answer 12

ring of muscle at. neck of uterus that closes uterus until baby is ready to be born

Question 13

vagina

Answer 13

muscular tube that leads from cervix to outside of woman’s body

Question 14

urethra

Answer 14

tube though which urine travels out of the body from bladder

Question 15

what is the function of the vulva?

Answer 15

whole area between female’s legs

Question 16

what is the first 1-5 days of menstrual cyce?

Answer 16

breakdown of uterus lining (menstruation0

Question 17

what is day 6-10?

Answer 17

development of uterus lining

Question 18

what is day 11-16 and day 14 in particular?

Answer 18

ovulation (egg released)

Question 19

where does fertilisation occur?

Answer 19

in oviduct

Question 20

what is day 17-28?

Answer 20

maintaining of endometrium

Question 21

what is the role of FSH

Answer 21

made in pituitary gland
- stimulates ovary to release oestrogen
- stimulates maturation of a follicle which contains an egg cell

Question 22

what is role of oestrogen

Answer 22

made in follicle (ovary)
- rebuilds uterus lining
- inhibits FSH and LH production (in low concentration)
- stimulates LH production (high concentrations)

Question 23

what is role of LH?

Answer 23

made in pituitary gland
- stimulates follicle to burst and release mature egg cell (ovulation)

Question 24

what is the role of progesterone?

Answer 24

made in. coprus luteum (ovary)
- thickens and maintains uterus lining
- inhibits release of FSH and LH

Question 25

what are the levels of fsh, oestrogen, progesterone and lh throughout mentsrual cycle?

Answer 25

fsh and lh low concentration at start, increases before and during day 14 then decrease
oestrogen peaks before day 14, then decreases
progesterone starts increasing from day 14 thwn decreases at start of cylce

Question 26

describe what occurs after fertilisation

Answer 26

zygote divides by mitosis to form a small bundle of cells, which implants into uterus wall
cells differentiate into different cell types, which become the embryo and placneta

Question 27

what is the function of amniotic fluid

Answer 27

to protect foetus from physical knocks and bumps

Question 28

what is role of placenta

Answer 28

nutrients (oxygen, mineral ions, glucose) diffuse across to foetus, waste substances diffuse across to mother

Question 29

what is role of placenta

Answer 29

nutrients (oxygen, mineral ions, glucose) diffuse across to foetus, waste substances diffuse across to mother