Answers to AQA GCSE Role of Bile in Digestion(Biology)

Practice Questions

1.State where bile is produced

Liver

2. State where bile is stored

Gall bladder

3. What is the name of the duct that bile travels through to reach the small intestine

Bile Duct

4. Describe how bile helps to protect the structure of the small intestine

Bile is alkaline, so it neutralises excess stomach acid that is on the remains of the food, as the remains enters the small intestine.

5. Bile can help speed up the digestion of lipids. Explain how.

Bile emulsifies the lipids or fats, dispersing the fat or lipids into small droplets which have a larger surface area for lipase to act on.