Select the correct answer.
Prolonged and constant use of tobacco can weaken the user's immune system and increase the risk of many diseases.
Which disease makes the air sacs in the lungs less elastic, reducing their ability to absorb oxygen?
O A.
chronic bronchitis
O B. emphysema
O C. lung cancer
O D. oral cancer
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N
B. Emphysema It also requires people with it to carry an oxygen tank with them so the can breathe with a tube up their nose. Smoking is a bad decision.
