Reproductive Hormones - Puberty & Menstrual Cycle
This lesson covers:
- What 'puberty' is and which hormones are responsible for it
- The stages and hormones involved in the menstrual cycle
is the period in which adolescents start to develop secondary sexual characteristics.
|
The term 'secondary sexual characteristics' refers to the bodily changes that take place during puberty.
Which of the following are secondary sexual characteristics?
(Select all that apply)
Breast development
More muscle mass
Increase in height
Less body hair
Deepening voice
Darker skin
|
Which organ is testosterone released from?
Adrenal gland
Testes
Pituitary gland
Ovaries
|
Is oestrogen the main sex hormone in males or females?
Males
Females
|
Which organ is oestrogen released from?
Pituitary gland
Adrenal gland
Testes
Ovaries
|
What is the structure indicated on the diagram above?
Uterus
Ovaries
Fallopian tube
Uterus lining
|
What is the structure indicated on the diagram above?
Uterus
Fallopian tube
Ovaries
Uterus lining
|
What is the structure indicated on the diagram above?
Fallopian tubes
Uterus lining
Ovaries
Uterus
|
What is the structure indicated on the diagram above?
Ovaries
Fallopian tube
Uterus lining
Uterus
|
How long does the average menstrual cycle last?
24 days
28 days
32 days
36 days
|
The menstrual cycle
The menstrual cycle is a series of steps that prepares the uterus for the implantation of a fertilised egg.
If there is no fertilised egg, then the cycle repeats.
But if there is a fertilised egg, then the cycle will stop and the egg will implant into the uterus lining, where it can develop into a foetus.
What happens in stage one of the menstrual cycle?
Release of the egg from the ovaries
Building up of the uterus lining
Maintenance of uterus lining
Period of bleeding as the uterus lining breaks down
|
What is the name of stage one of the menstrual cycle?
|
What happens in stage two of the menstrual cycle?
Building up of the uterus lining
Release of the egg from the ovaries
Period of bleeding as the uterus lining breaks down
Maintenance of uterus lining
|
What happens in stage three of the menstrual cycle?
Release of the egg from the ovaries
Period of bleeding as the uterus lining breaks down
Maintenance of uterus lining
Building up of the uterus lining
|
What is the name of stage three of the menstrual cycle?
|
What happens in stage four of the menstrual cycle?
Release of the egg from the ovaries
Maintenance of uterus lining
Period of bleeding as the uterus lining breaks down
Building up of the uterus lining
|
What happens after stage four if there is no fertilised egg?
The cycle stops
The lining gets thicker
The cycle starts again
|
If a fertilised egg implants into the uterus lining then the menstrual cycle stops and the lining is maintained.
True
False
|
Which hormone stimulates the uterus lining to develop?
Oestrogen
Progesterone
Luteinising hormone (LH)
Follicle stimulating hormone (FSH)
|
Which organ are both luteinising hormone and follicle stimulating hormone released from?
Adrenal gland
Ovaries
Testes
Pituitary gland
|
Which hormone stimulates the egg to be released around day 14 (ovulation)?
Luteinising hormone (LH)
Oestrogen
Progesterone
Follicle stimulating hormone (FSH)
|
Which hormone stimulates the egg follicle to mature?
Luteinising hormone (LH)
Follicle stimulating hormone (FSH)
Progesterone
Oestrogen
|
Which hormone maintains the lining of the uterus?
Luteinising hormone (LH)
Oestrogen
Follicle stimulating hormone (FSH)
Progesterone
|