a.
[3]
The table lists the effects of some hormones in the human body.
Complete the table by naming each hormone or its source.
The first one has been done for you as an example.
| Effect | Name of hormone | Source |
|---|---|---|
| stimulates repair and thickening of the uterus lining | estrogen | ovary |
| increases water reabsorption in the kidneys | pituitary gland | |
| controls the basal metabolic rate | thyroxine | |
| stimulates ovulation | pituitary gland |
b.[2]
Animal cells (such as liver cells) do not store glucose. Instead, they convert excess glucose into glycogen to be stored.
Explain the osmotic advantage to animal cells of storing glycogen rather than glucose.
c.[1]
The graph shows changes in the relative blood levels of glucose, insulin, and glucagon after a carbohydrate-heavy meal.
Give the letter of the line which represents the relative level of glucagon in the blood.