Transport and Transport Systems

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  • Created by: riana1705
  • Created on: 03-05-16 18:51

1. Which of these is NOT an adaptation of alveoli?

  • Very thick walls to protect themselves from high pressure.
  • A large surface area.
  • Most lining for dissolving gases.
  • A good blood supply.
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2. What do we need for active transport?

  • A sports machine and a vehicle.
  • Two areas of equal;y concentrated liquid.
  • Energy to move the particles.
  • A partially permeable membrane.

3. What is osmosis?

  • The movement of water particles from an area to low concentration to an area of high concentration.
  • 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 same as diffusion
  • The way in which large particles move across cell walls in the bloodstream.

4. What are sports drinks designed to do?

  • Improve your endurance.
  • Replace the water, sugar and ions lost through sweat.
  • Reward you after exercise.
  • Give you dehydration.

5. What is the job of the lungs?

  • To thin the blood.
  • To add oxygen and nitrogen from the air into the blood.
  • To transfer oxygen into the blood and remove waste carbon dioxide.
  • To add carbon dioxide to the blood.


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