hormones

Question 1

what are hormones?

Answer 1

-chemicals released directly into blood

Question 2

where is adrenaline produced?

Answer 2

-adrenal glands

Question 3

where is insulin produced?

Answer 3

-pancrease

Question 4

where is testosterone produced?

Answer 4

-testes

Question 5

where is progesterone and oestrogen produced?

Answer 5

-ovaries

Question 6

where is ADH, FSH and LH produced?

Answer 6

-pituitary glands

Question 7

adrenaline role?

Answer 7

-inc heart rate

Question 8

insulin role?

Answer 8

-helps control blood sugar level
-stimulates liver to turn glucose into glycogen for storage

Question 9

testosterone role?

Answer 9

-main sex hormone
-promotes male secondary sexual characteristics

Question 10

progesterone role?

Answer 10

-supports pregnancy
-maintains uterus lining

Question 11

oestrogen role?

Answer 11

-female sex hormone
-promotes female 2nddary sexual characterics

Question 12

ADH role?

Answer 12

-controls the water content
-increases permeability of kidney tubules

Question 13

FSH role?

Answer 13

-female sex hormone
-causes egg to mature in ovary
-stimulates ovaries to produce oestrogen

Question 14

3 things abt the nerves?

Answer 14

-fast message
-act in short time
-act on precise area

Question 15

3 things about hormones?

Answer 15

-slower message
-act for long time
-act in general way

Question 16

what is homeostasis?

Answer 16

-maintenance of a constant internal environment

Question 17

how sweat works…

Answer 17

-when your hot you produce lots
-when it evaporates it transfers energy from your skin to the environment, cooling you down

Question 18

whats vasodilation?

Answer 18

-when your too hot
-blood vessels widen
-more blood to flow near the surface
-transfer more energy into the surroundings
-cooling you down

Question 19

whats vasoconstriction?

Answer 19

-when your too cold
-blood vessels constrict
-less energy transferred to surroundings