Answer:
By keeping a safe distance and watching their speed.
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.
Answer:
Option D: People in hypnotic states are performing the social role of a hypnotized person. I am about 80% sure this is the answer, but don't quote me.
Explanation:
Listen and tell your friend to call a trusted adult or hotline