Recap of CB08b

• Which blood vessels take blood away from the heart?

  Arteries
• Which blood vessels have thick, elastic walls?

  Arteries
• Which blood vessels contain valves?

  Veins
• Through which blood vessel does diffusion of different substances into and out of tissues take place?

  Capillaries
• Which blood cells are adapted to carry oxygen?

  Red blood cells/erythrocytes