HideShow resource information
  • Created by: Angelique
  • Created on: 12-12-12 16:44


caused by smoking.

  • tar stimulates inflammatory response.
  • alveoli loose elasticity.
  • reduced tidal volume.
  • e.c. may be destroyed.

symptoms are sevre breathing difficulties.

lung cancer 

  • excess tissue in the lungs due to uncontrollable cell division.

risk factor is expose to mutagenic agents.


  • particles stimulate inflammatory response.
  • scar tissue.
  • thickens alveolar walls, reduced elasticity, longer diffusion path.

symptoms are shortness of breath.

1 of 1


No comments have yet been made

Similar Biology resources:

See all Biology resources »See all Health, illness and disease resources »