Question

A _______ is an abnormal disease-causing protein which affects the ______ of the animal or human.

(first blank)
-prion
-virus
-virion
-viroid
(second blank)
-tissues
-brain
-liver
-heart

Answer 1

prion.......brain

Step-by-step explanation:

Answer 2

First blank poot prion and second blank poot brain ( i think so )