part 5

Question 1

What are hormones?

Answer 1

Chemical messengers sent in the blood

Question 2

What is the role of the adrenaline hormone?

Answer 2

Fight or flight response.
Increases heart rate and breathing rate.
Increases glucose and oxygen for more respiration.

Question 3

What is the role of thyroxine?

Answer 3

Regulates metabolism, the speed at which chemical reactions happen in the body.

Question 4

Name the hormones that regulate the menstrual cycle in women.

Answer 4

FSH, Oestrogen, LH and Progesterone.

Question 5

What is the role of the hormone FSH?

Answer 5

Causes a follicle to mature and stimulates the production of oestrogen.

Question 6

What is the role of the hormone Oestrogen?

Answer 6

Causes the lining of the uterus to thicken and grow.

Question 7

What is the role of LH hormone?

Answer 7

Stimulates the rupture of the follicle and release of the egg, known as ovulation.
Stimulates the remains of the follicle to develop into a corpus luteum which secretes the hormone progesterone.