Other questions in this quiz

2. What type of blood vessel carries blood away from the heart?

  • Lungs
  • Artery
  • Capillary
  • Vein

3. Why are capillaries most efficient at diffusion?

  • Their walls are 1 cell thick
  • There's lots of them
  • Their lumen is really big
  • They're badass

4. What is plasma mostly made of?

  • Plasma
  • Nitrate ions
  • Water
  • Red blood cells

5. Do red blood cells have a nucleus?

  • Only the white ones
  • No
  • Only some
  • Yes

Comments

Emilija

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HELLO

Ciara26

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ybjoby

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What a waste of time

ItsCay

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Lmao love these

RebecaL

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"in the red blood cells"- seriously??- dude, just write "red blood cells"- who's going to think of writing "in the". What a waste of my precious revision time

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