Exchange

Question 1

How is starch digested?

Answer 1

1.Amylase produced by salivary glands;
• 2. Amylase converts starch to maltose;
• 3. Maltase converts maltose to glucose;
• 4. In the membrane of epithelial cells of ileum;
• 5. Hydrolysis (reactions);
• 6. Breaks glycosidic bonds.

Question 2

What happens during inspiration?

Answer 2

• Diaphragm and internal intercostal muscles contract.
• This causes the volume of the thorax to increase and the pressure in the thorax to decrease.
• Air enters the lungs