Transporting substances around the body

the circulatory system, transport in blood, excersize, anaerobic respiration, kidneys, dialysis, transplants,

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  • Created by: Anna
  • Created on: 16-05-11 16:09

Transporting substances around the body

the circulatory system

biology

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  • humans have a double circulation (1=from heart to lungs for CO2 and O2 transport 2= around rest of body)
  • means body can receive oxygenated blood quickly
  • Arterys= carry blood away from heart, oxygenated (red), small lumen
  • Veins= carry blood too heart, low in oxygen (purple), large lumen, valves to prevent back flow.
  • Capilleries= deliver O2 and glucose to cells by diffusion, all over and very small,
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Sana Hussain

:S

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