All of the above pretty much. its best if you keep them awake and communicating, as well as getting medical help, and ensuring the wound or hurt area is taken care of (ice pack, cool cloth).
Answer:
D. All of the above
Explanation:
I just got done with a lesson on Vitamins and More things like that :D
Cardiovascular system: arteriosclerosis
digestive system: cirrhosis
endocrine system: addisons disease
immune system: mononucleosis
No, I do not think it is the best way for them to be efficient.
There may be a ruptured blood vessel inside your nose. Have an appointment with the ENT to double check you don't have anything serious. :)