what is a biological disorder of the brain structures or chemicals that impacts a person thoughts feelings or actions

if you know your abc's you should be able to get your answer or just use google

the correct answer is anaphylaxis.

anaphylaxis is a condition caused by insect bites, foods, medications, manifested by tongue swelling, shortness of breath, vomiting, low blood pressure. it sometimes may occur without an obvious reason. it is treated with epinephrine injection.other tretments include antihistamines and steroids,