Digestion and Absorption

• Breaks down food mechanically

  mouth
• releases saliva which contains amylase

  salivary glands
• muscles in the walls, pushing food downwards

  oesophagus
• chruns food with hydrochloric acid and protease

  stomach
• releases bile onto food as it enters small intestine

  gall bladder
• When digestion is complexed and absorption takes place


  small intestine
• where water from undigested food moves back into the blood

  large intestine
• What 2 things does hydrochloric acid do?

  can kill microorganisms on food

  provides the acidic pH for protease to work in the stomach