B11:hormonal coord

Question 1

what is the endocrine system?

Answer 1

system of glands that secrete hormones into the bloodstream

Question 2

how do the effects of the endocrine system compare to those of the nervous system?

Answer 2

effects are slower but act for longer

Question 3

where is the pituitary gland located?

Answer 3

brain

Question 4

which organ monitors and controls blood glucose concentration?

Answer 4

pancreas

Question 5

which hormones interact to regulate blood glucose levels?

Answer 5

insulin and glucagon

Question 6

what is the cause of type 1 diabetes?

Answer 6

pancreas produces insufficient insulin

Question 7

what is the cause of type 2 diabetes?

Answer 7

body cells no longer respond to insulin

Question 8

what is the function of FSH?

Answer 8

causes eggs to mature in the ovaries, and simulates ovaries to produce oestrogen

Question 9

what is the function of LH?

Answer 9

stimulates the release of an egg

Question 10

what is the function of oestrogen?

Answer 10

causes lining of uterus wall to thicken

Question 11

what are the methods of hormonal contraception?

Answer 11

oral contraceptive, injection, implant, skin patch, IUD

Question 12

what are the methods of non hormonal contraception?

Answer 12

barrier methods, copper IUD, spermicidal agents, sterilization, abstinence

Question 13

what is the function of adrenaline in the body?

Answer 13

increases heart rate and boosts delivery of oxygen and glucose to brain and muscles to prepare the body for fight or flight

Question 14

what is the function of thyroxine in the body?

Answer 14

Stimulates basal metabolic rate, so is important for growth and development

Question 15

one hormone controlled by negative feedback?

Answer 15

Thyroxine

Question 16

which endocrine glands control secondary sexual characteristics?

Answer 16

ovaries and testes

Question 17

disadvantages of IVF

Answer 17

emotionally and physically draining, risky multiple births, low success rate