B3.7 Making digestion efficient

Question 1

How is the stomach protected from acid and enzymes

Answer 1

It produces a thick layer of mucus, which coats the walls of the stomch

Question 2

Where is bile produced

Answer 2

The gall bladder

Question 3

What does bile do for food in the stomach

Answer 3

Neutralises the acid that was added to the food in the stomach, which provides the necessary alkaline conditions for the enzymes in the small intestine to work most efficiently

Question 4

What does bile do for the fat in your food

Answer 4

Emulsifies the fat, aka it breaks up large drops of fat into smaller droplets,

Question 5

When bile breaks up the fat, what does this do for the surface area

Answer 5

It provides a bigger SA of fats for the lipase enzymes to act upon

Question 6

What does a large SA help the lipase do

Answer 6

Helps it break down the fats quicker into fatty acids and glycerol.