Digestive System

Question 1

What does digestion involve?

Answer 1

• The breakdown of large insoluble molecules into soluuble solutions.
• The soluble solutions can be absorbed into blood across the wall of the small intestine.

Question 2

What are digestive enzymes produced by?

Answer 2

•Specialised cells in glands and the lining of the digestive system.

Question 3

What catalyse the breakdown of carbohydrates to simple sugars?

Answer 3

Carbohydrates such as amylase.

Question 4

What catalyses the breakdowns of proteins to amino acids?

Answer 4

Proteases.

Question 5

What catalyses the breakdown of lipids to fatty acids and glycerol?

Answer 5

Lipases.