The digestive system

• What is the function of the oesophagus?

  Allows food to travel from mouth to stomach (peristalsis)
• What is the function of the stomach?

  -food is churned and mixed with acid and enzymes

  -kills pathogens with HCl
• What does amylase do and where is it produced?

  -breaks down starch into glucose

  -produced in the mouth, pancreas, and small intestine
• What does protease do and where is it produced?

  -breaks down proteins into amino acids

  -produced in the stomach, pancreas, small intestine
• What does lipase do and where is it produced?

  -breaks down lipids into glycerol and fatty acids

  -produced in the pancreas and the small intestine
• What is the function of bile in digestion?

  -emulsifies fats (increases surface area, turns large molecules into small molecules)

  -neutralises stomach acid