Menstruation (for some reason).

Question 1

Definition: Menstrual cycle.

Answer 1

Monthly cycle involving the MATURATION and RELEASE of an egg.

Question 2

Name 4 hormones of the menstrual cycle.

Answer 2

• FSH (Follicle STIMULATING hormone).
• LH
• Oestrogen.
• Progesterone.

Question 3

Name gland it comes from and 2 roles of the FSH.

Answer 3

• Released by pituitary gland.
• Causes an ovaries’ egg to mature.
• STIMULATES production of oestrogen.

Question 4

Name gland it comes from and the role of LH.

Answer 4

• Released by pituitary gland.
• Stimulates release of a MATURE EGG.

TIP: It’s called ovulation.

Question 5

Name where oestrogen is produced and 3 roles.

Answer 5

• Ovaries.
• Causes development in the uterus lining (it THICKENS it).
• Stimulates production of LH.
• Stops production of FSH.

Question 6

Name where progesterone is produced and 2 roles.

Answer 6

• Ovaries AFTER ovulation.
• MAINTAINS lining of the uterus.
• Stops RELEASE of FSH and LH.

TIP:
Progesterone levels drop = breakdown of the lining.

Question 7

Stage 1 of the menstrual cycle (days 1-4):

Answer 7

Uterus lining breaks down - resulting in a PERIOD.

Question 8

Stage 2 of the menstrual cycle (days 4-14):

Answer 8

Uterus lining BUILDS UP again (more thicker).

Question 9

Stage 3 of the menstrual cycle (day 14):

Answer 9

Ovulation = egg released from one of the ovaries.

Question 10

Stage 4 of the menstrual cycle (day 15-28):

Answer 10

• Uterus lining is MAINTAINED, ready for the arrival of a FERTILISED egg.
• No fertilised egg attached = lining BREAKS DOWN again.