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6. Why is bile sectreted?

  • Neither of the above
  • Both of the above
  • To neutralise the acidic conditions
  • To emulsify fats

7. What does amylase break down?

  • Bacteria
  • Protein
  • Carbohydrates
  • Fats

8. Where is excess water absorbed?

  • Large intestine
  • Pancreas
  • Small intestine
  • Stomach

9. Which of the following does the pancreas NOT produce?

  • Protease
  • Bile
  • Insulin
  • Amylase

10. Why are there lots of villi in the intestines?

  • So it is easier to control temperature
  • So they can move the food along the intestine
  • So there is a greater surface area to absorb nutrients
  • So there is a greater surface area to secrete enzymes