female cycles and secondary sexual characteristics

Question 1

pituitary hormones

Answer 1

FSH LH

Question 2

FSH

Answer 2

Follicle stimulating hormone. stimulates development of follicle and triggers growth of egg in ovary gets the egg ready for ovulation. triggers to start releasing oestrogen.
stimulates sperm production in males

Question 3

Ovary hormones

Answer 3

Oestrogen Progesterone

Question 4

LH

Answer 4

triggers the release of an egg in females. usually day 14

instructs testes to secrete male sex hormone testosterone

Question 5

oestrogen

Answer 5

causes growth and repair in uterine lining. oestrogen levels start rising from day one and peak before day 14. produces female secondary sexual characteristics.

Question 6

progesterone

Answer 6

if pregnant corpus luteum releases the hormone to com. if not pregnant corpus luteum is destroyed and stops making progesterone. placenta also secretes progesterone later in pregnancy
progesterone inhibits fsh and lh to stop ovulation

Question 7

rough timeline menstrual cycle

Answer 7

day 1 is first day of menstruation
1-5 menstruation bleeding FSH released and triggers oestrogen to release
6-13 new uterus lining develops as oestrogen is secreted
14 ovulation. LH peaks, egg bursts out and corpus luteum is left behind which starts producing progesterone
14-20 egg can be fertilised if not dies
14-28 blood supply develops in new uterus lining corpus luteum grows and breaks down

Question 8

male secondary sexual characteristics

Answer 8

body mass increase
sexual drive
voice changes and breaks
growth of pubic/facial/chest hair
growth in sexual organs
sperm production starts

Question 9

female secondary sexual characteristics

Answer 9

menstrual cycle begins
growth in sexual organs
growth of armpit and pubic hair
voice changes
growth in body mass rounded hips
breasts develop
sexual drive