SMOKING - Nicotin and Tar

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  • Created by: ree
  • Created on: 09-03-13 15:44
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      • Causes addiction
      • Releases the hormone ADRENALINE = increased heart and breathing rate, arterioles constrict and raises blood pressure
      • Constricts arterioles = reduces blood and oxygen flow and deliver
      • Makes PLATELETS sticky = increased risk of thrombus and blood clots
      • Damages alveoli and
      • Chemicals coat inner surfaces = increases diffusion distance
      • Bacteria and Viruses  trapped in mucus are not removes, they multiply and block brochioles
      • Destroys CILLIA so mucus cannot be wafted up to the cack of the throat
      • Stimulates GOBLET CELLS to enlarge and release more mucus which collects in airways.


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