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explain negative effect of cigarette smoking on the circulatory and respiratory system.


Sagot :

Smoking is really dangerous in our health. Some of the smokers are not really aware of its negative effects in the body especially in the circulatory and respiratory system. 

1.  Raised blood pressure and heart rate

2. 
Constriction (tightening) of blood vessels in the skin, resulting in a drop in skin temperature

3. 
Less oxygen carried by the blood

4.   Stickier blood, which is more prone to clotting

5. 
Damage to the lining of the arteries, which is thought to be a contributing factor to atherosclerosis (the build-up of fatty deposits on the artery walls)

6.   Reduced blood flow to extremities like fingers and toes

7. 
Increased risk of stroke and heart attack due to blockages of the blood supply.