Topic 6 - Hormones

Question 1

what are hormones?

Answer 1

chemicals released directly into the blood that affect particular cells (target cells) in particular places

Question 2

where are hormones produced?

Answer 2

in glands

Question 3

where is adrenaline produced?

Answer 3

the adrenal glands

Question 4

what is the role of adrenaline?

Answer 4

prepares the body for a ‘fight or flight’ response

Question 5

what are the effects of adrenaline?

Answer 5

increases heart rate, blood flow to muscles and blood sugar level

Question 6

where is insulin produced?

Answer 6

the pancreas

Question 7

what is the role of insulin?

Answer 7

helps control blood sugar level

Question 8

what are the effects of insulin?

Answer 8

stimulates the liver to turn glucose into glycogen

Question 9

where is testosterone produced?

Answer 9

the testes

Question 10

what is the role of testosterone?

Answer 10

main male sex hormone

Question 11

what are the effects of testosterone?

Answer 11

promotes male secondary sexual characteristics

Question 12

where is progesterone produced?

Answer 12

the ovaries

Question 13

what is the role of progesterone?

Answer 13

supports pregnancy

Question 14

what are the effects of progesterone?

Answer 14

maintains the uterus lining

Question 15

where is oestrogen produced?

Answer 15

the ovaries

Question 16

what is the role of oestrogen?

Answer 16

main female sex hormone

Question 17

what are the effects of oestrogen?

Answer 17

controls the menstrual cycle and promotes female secondary sexual characteristics

Question 18

what are the differences between nerves and hormones?

Answer 18

1. nerves send a very fast message, hormones are slower
2. nerves act for a very short time, hormones act for a long time
3. nerves act on a very precise area, hormones are very general