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Effects of smoking

What is mucus clogging? Tar sticks to cilia causing clogging in the throat passages. The cilia can not longer push the dirt filled mucus out of the body, this can lead to infection. Exchange is slowed down and decreased 02 to heart. Which leads to stress on the heart.
What is alveoli malfunction? Air sacs lose elasticity because of tar build up. They don't expand and may rupture which means less surface area for gas exchange.
What is carcinogenic (cancer causing) deposits in the lungs? Tar causes cells in the linings of the lungs to die or change the DNA in them to make them reproduce more and form a tumor. This leads to lung cancer.
What is loss of lung elasticity? Tar makes lungs so rigid making them stay expanded and hard to exhale. This can give you COPD or emphysema.
Created by: lucytre