The human digestive system

• Digestive System:

  1. Mouth
  2. Oesophagus
  3. Stomach
  4. Small Intestine
  5. Large Intestine
  6. Rectum
• Where is amylase produced?

  Salivary glands (in the mouth), Pancreas
• Where is lipase produced?

  Pancreas
• Where is protease produced?

  Stomach, Pancreas
• Function Of Mouth


  Chews and grinds on food
• Function Of Oesophagus


  The chewed food goes down the oesophagus, via peristalsis.
• Function Of Stomach


  Contracts and produces acids and enzymes that break down food into chyme. This increases the surface area for digestion
• Function Of Small Intestine


  Absorption of water, nutrients (via villi), electrolytes.
• Function of Large Intestine


  Remaining water is absorbed, leaving only faeces.
• Function Of Rectum


  Faeces are stored, then eventually comes out.
• Villi: Projections from the surface, typically serving to increase surface area and facilitate the passage of fluid or nutrients