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  • Created by: zoe3027
  • Created on: 07-05-13 18:18

Gaseous Exchange 

  • Gaseous Exchange is the exchange of Carbon Dioxide and Oxygen between the blood and the air in the lungs 
  • The upper part of the body (chest area) is called the thorax, and the lower part is called the abdomen
  • The thorax and abdomen are seperated by a muscle called the diaphragm
  • The diaphragm is used in ventilation. 
  • When we inhale (breathe in) the volume of the lungs needs to increase to allow air in. 
  • The intercostal muscles (the muscles between the ribs) contract, which forces the ribcage…


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