Hi there!! Cilia are very small fine hairlike projection's/tissues, who's primary responsibilities in the airway is to make sure that it is clear. To be more specific... Cilia line the airways' trachea down. These cilia will do two things; They will trap germs and particulate matter (dust, dander, etc..), before then moving the trapped objects upward to the area where the airway meets the larynx, where you then swallow it... Additionally you can expel it eventually with a cough.
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Explanation:
Pathogens can be spread a few ways depending on what type. They could be spread through skin contact, airborne particles, body fluids, contact with feces, and touching a surface touched by an infected person.
I think it's D. Because the students impulse is to do it because its cool, because all their friends do it. Hope my answer helps you! :)
Answer:
Give them the depression medication and advise them to not have sexual intercourse or close contact with people until they are cured of depression.
Graying of hair
Thinning of skin
Hot flashes
