4.5.3.4 Hormones in Human Reproduction Flashcards
1
Q
What happens during puberty?
A
- reproductive hormones begin to be released
2
Q
What does the production of reproductive hormones cause?
A
- secondary sex characteristics to develop
3
Q
What is the main female reproductive hormone?
A
- oestrogen
4
Q
Where is oestrogen produced?
A
- in the ovary
5
Q
What happens at puberty to the eggs?
A
- begin to mature
- released approximately every 28 days (ovulation)
6
Q
What is the main male reproductive hormone?
A
- testosterone
7
Q
Where is testosterone produced?
A
- testes
8
Q
What is the purpose of testosterone?
A
- stimulates sperm production
9
Q
What is menstrual cycle?
A
- process the body undergoes each mother to prepare for a potential pregnancy
10
Q
What does the menstrual cycle begin with?
A
- lining of the uterus breaking down
- woman having her period
11
Q
What happens after a woman has her period?
A
- layer builds up again
- until ovulation (day 14)
12
Q
What is ovulation?
A
- an egg being released from the ovary
- moves to uterus via fallopian tube
13
Q
What happens if a fertilised egg has not been embedded?
A
- if not embedded after 28 days, begins to break down
- cycle continues
14
Q
What four hormones is the menstrual cycle controlled by?
A
- follicle stimulating hormone (FSH)
- oestrogen
- luteinising hormone (LH)
- progesterone
15
Q
What is the function of the follicle stimulating hormone (FSH) and where is it produced?
A
- causes maturation of an egg in the ovary, within a follicle
- produced in pituitary gland
- stimulates ovaries to produces oestrogen
