SMOKING - Nicotin and Tar
- Created by: ree
- Created on: 09-03-13 15:44
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- SMOKING
- NICOTINE
- 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
- TAR SHORT-TERM EFFECTS
- 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.
- NICOTINE
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