Digestive system

• Mouth

  The part of the body that takes in and mechanically breaks up food and mixes it with saliva
• Oesophagus (gullet)

  Tube that carries food to the stomach
• Stomach

  The organ that mixes and breaks up food with acid and protease
• Lipase

  Enzyme that digests fat (lipids)
• Small intestine

  Place where nutrients from food are absorbed into the bloodstream
• Large intestine


  Place where water is reabsorbed from waste
• Rectum

  Stores faeces (poo) until it can be "eliminated"
• Anus

  Exit of body for faeces (poo)
• Liver

  Makes bile to neutralise stomach acid and break up fat.
• Gall bladder

  Stores and releases bile when needed
• Protease

  Enzyme that digests protein
• Pancreas

  Organ that makes all 3 digestive enzymes
• Carbohydrase

  Enzyme that digests carbohydrates
• Appendix

  Reservoir for helpful gut bacteria
• Amino acids

  Produced when protein is digested
• Bile


  Breaks fat into tiny droplets
• Villi

  Small finger-like structures in the small intestine - increases surface area.
• Fatty acids and glycerol

  Produced when fat is digested
• Glucose (sugar)

  Produced when starch is digested
• Acid

  pH found in stomach