I would guess it was hypertension, strictly because the others don't seem to fit.
A high fever ~ that is, raising the temperature to make the body a less pleasant place for viruses and bacteria ~ is the first line of defence.
Answer:
4 is a 5 is b 1 is c 2 is d 3 is e 6 is f i am not 100% sure abot the last 2 but i belive 7 is g and 8 is h
Explanation: