Prolonged and constant use of tobacco can weaken the user's immune
system and increase the risk of many diseases.. . Which of the following
diseases can makes the air sac in the lungs less elastic, reducing their ability to absorb oxygen?.
B.emphysema.
Be nice to people and always be your self
The answer would be the last one, take the time to heal
Answer:
B. Covering your mouth while coughing, is considered good hygiene.
Explanation:
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