Sec 2 Science Human Digestive System topical questions

List the gullet, stomach and small intestine in the order food meets them after the mouth.

Name the enzyme class that digests proteins, and the class that digests fats.

State where most digested food is absorbed.

State the main job of the large intestine.

State one difference between digestion and absorption.

A meal contains bread, chicken and oil. Name the enzyme class for each food.

Explain why food must be digested before it can be absorbed.

Describe one role of the mouth and one role of the stomach.

Explain why chewing a piece of food speeds up digestion by enzymes.

State one role of useful gut bacteria and one lifestyle habit linked with a lower chance of type 2 diabetes.

A student says the large intestine is where most glucose is absorbed. Evaluate the statement.

Explain the difference between egestion and excretion, with one example of each.

Describe the journey of starch from the mouth until the products are in the blood. Use the enzyme class, not a named enzyme.

Explain how the blood and the small intestine work together after a meal.

A person eats very little fibre and drinks very little water. Predict one effect on the large intestine, and state one separate lifestyle point about type 2 diabetes.