Digestion

• How is the small intestine adapted to increase the efficiency of absorption of digested food?

  • Thin wall = provides a short diffusion pathway
  • Constant blood flow = maintains concentration gradient
• How is the small intestine adapted to increase the efficiency of absorption of digested food?

  • Thin wall = provides a short diffusion pathway
  • Constant blood flow = maintains concentration gradient
• What type of enzyme breaks down starch?

  carbohydrase
• What is human body temperature?

  37°C
• Why is 37°C the optimum temperature for enzymes to work?

  Human body temperature
• What is the function of the liver ij digestion?

  Breaks down unwanted amino acids into urea
• What is the role of bile in digestion?

  • Emulsify fats into smaller molecules
  • Neutralise food as it passes from the stomach to the small intestine