Trypsin is an enzyme that breaks down proteins.
Bread contains mostly carbohydrates, namely starch
Fruits contain sugar and fibre
margarine contains mostly lipids
Fish contains a higher proportion of protein, among other macro nutrients.
I think the answer is d) narcolepsy
When the homeostasis senses that your too cold, it sends signals to your muscles that make your shiver and create warmth. This is called maintaining the homeostasis.