When hypersensitivities or immune system’s response causes tissue damage as it fights off a perceived threat that would otherwise be harmless to the body, it is called a(n)

Bis the right answer

Well, l think that some effective communication is, emotional barriers and lack of attention, interest distraction or irrelevance. also some physical disabilities such as hearing problems or speech difficulties.      l hope i am correct  and you good luck.

Expansion of the stomach