cardiovascular system

    Cards (5)

    • arteries
      carry’s blood away from the heart
      have thick muscular walls
      have elastic walls
      contain blood under high pressure
      doesn’t have valves
    • arterioles
      connect arteries to capillaries
      have thinner walls simmer to arteries
      can change diameter to control blood to capillaries
    • capillaries
      one cell thick
      allow diffusion of gases
      surmound muscles and alveoli to allow exchange of oxygen and carbon dioxide and nutrients
    • veins
      carry bloody towards heart
      thin and less muscular elastic walls
      contain blood under low pressure
      contain valves
    • venuels
      connect capillaries to veins
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