2.94 The role of hormones

Question 1

What is adrenaline?

Answer 1

The “Flight or fight” hormone produced in situations in which the body may be in danger

Question 2

What is insulin?

Answer 2

A hormone that reduces blood sugar levels

Question 3

What is testosterone?

Answer 3

The main sex hormone in males

Question 4

What is oestrogen?

Answer 4

The main sex hormone in females

Question 5

What is progesterone?

Answer 5

A hormone that maintains pregnancy

Question 6

What are the effects of adrenaline?

Answer 6

-Increased heart rate and breathing rate
-Diverts blood flow away from nonessential parts of the body to the muscles
-Dilation of the blood vessels inside muscles (lets more blood to circulate)
-Breaks down stored glycogen into glucose

Question 7

What are the effects of insulin?

Answer 7

-When blood sugar levels are too high, the pancreas will release insulin
-Insulin stimulates the uptake of glucose in the liver
-the liver stores excess glucose as glycogen
-blood glucose levels decrease