Biology B3 - Exchange of materials

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  • Created by: Caitlanbc
  • Created on: 17-04-16 19:40

1. Which of these is not a way exchange surfaces are adapted to maximise effectiveness?

  • Lots of mitochondria
  • They are thin
  • Large surface area
  • Lots of blood vessels nearby
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Other questions in this quiz

2. Where are the Villi?

  • The lungs
  • The small intestine
  • The heart
  • The gut

3. What is the definition of Osmosis?

  • The movement of water molecules across a partially permeable membrane from a region of high water concentration to a region of low water concentration.
  • The movement of water from a region of low concentration to a region of high concentration
  • The movement of water through solids walls from a region of medium elephant conctration to a region of low orange concentration
  • The movement of molecules across a partially permeable membrane from a region of high concentration to a region of low concentration.

4. What does the trachea split into?

  • Alveoli
  • Intercostal muscles
  • Bronchi
  • Bronchioles

5. Because water molecules move randomly, it is a ___ movement?

  • Fast
  • Slow
  • Net
  • Small

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