Other questions in this quiz

2. Capillaries only having one cell thick walls helps?

  • Isolate liquid membranes
  • Increase the rate of diffusion
  • Decrease the rate of diffusion
  • Blood clot

3. Capillaries can do what to substances?

  • freeze
  • Diffuse them in and out
  • boil
  • Stop the travelling of blood

4. The valves in vains do what?

  • Keep leprechauns from entering into the blood
  • Keep the blood flowing in the right direction
  • To increase the blood pressure
  • Stop the blood flowing in the right direction

5. Capillaries are how many cell thick?

  • ten
  • five
  • three hundred and ninety four
  • one
  • two

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