Answer:
Characterized by muscle paralysis caused by destruction of acetylcholine
Explanation:
This choice is referring to myasthenia gravis.
I’m pretty it is A but I’m not completely sure
Respirators mask are used to protect from exposure to airborne particles these type of mask fit the face very tight to protect. Surgical masks are used to put a a barrier from spit, splashed blood even they do not fit tightly therefor are not used for protection like respirators
Answer : Skeletal
explanation : didn’t give me the answer choices but I got this answer right on my test .
It is a natural layer of gas in the upper atmosphere that protects form UV Rays that are harmful to humans and other organisms. It helps to filter out all of the bad radiation.
