Hormones and The Menstrual Cycle

Question 1

What are hormones?

Answer 1

Chemical messengers that travel in the blood to activate cells.

Question 2

What are the three main differences between nerves and hormones?

Answer 2

Nerves: fast action, short time, precise area
Hormone: slower action, long time, general way

Question 3

What is the menstrual cycle?

Answer 3

The monthly release of an egg from a woman’s ovaries.

Question 4

Describe the four stages of the menstrual cycle.

Answer 4

Stage 1: Lining of the uterus breaks down
Stage 2: Lining of the uterus builds up
Stage 3: Egg is released
Stage 4: Lining of the uterus is maintained

Question 5

Where is FSH produced and what does it do?

Answer 5

It’s produced in the pituitary gland and it causes an egg to mature and the ovaries to produce oestrogen.

Question 6

Where is oestrogen produced and what does it do?

Answer 6

It’s produced in the ovaries and it causes the pituitary gland to produce LH and inhibits further release of FSH.

Question 7

Where is LH produced and what does it do?

Answer 7

It’s produced in the pituitary gland and it stimulates the release of an egg.