Effects of smoking
- Created by: Buffya
- Created on: 01-06-13 00:23
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- Effects of smoking
- Tar
- Presence of chemicals may cause an allergic reaction so smooth muscles contract
- Chemicals contain carcinogens which cause mutations in cells
- Lung cancer
- Chemicals contain carcinogens which cause mutations in cells
- Paralyses cilia
- Stimulates goblet cells to release more mucus
- Long term effect of smokers cough
- Paralyses cilia
- This damages lining of airways and is replaced by scar tissue restricting air flow
- Chronic bronchitis
- Chronic obstructive pulmonary disease (COPD)
- Blue lips
- Continual coughing
- Short of breath
- Chronic obstructive pulmonary disease (COPD)
- Long term effect of smokers cough
- Presence of chemicals may cause an allergic reaction so smooth muscles contract
- Carbon monoxide
- Combines with haemoglobin
- Forms carboxyhaemoglobin
- Reduces oxygen-carrying capacity
- Forms carboxyhaemoglobin
- Damage lining of arteries
- Encourage growth of smooth muscle and deposition of cholesterol
- Build up of atheromas forms a plaque which reduces the lumen of the artery
- A blood clot may form known as thrombosis
- Makes platelets sticky
- May lead to Coronary Heart Disease which can be an angina, heart attack or stroke
- A blood clot may form known as thrombosis
- Build up of atheromas forms a plaque which reduces the lumen of the artery
- Encourage growth of smooth muscle and deposition of cholesterol
- Combines with haemoglobin
- Nicotine
- Causes the release of adrenaline which raises blood pressure
- Makes nervous system more sensitive and smoker more alert
- Makes platelets sticky
- Constriction of arterioles that lead to extremities of the body
- Tar
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