Answer:
Hello again!
I'm pretty sure it's C) Depressants
Explanation:
I looked it up again hahah
<em>"Heroin belongs to a drug class known as opioids that interact with corresponding receptors in the brain and tend to have sedating, relaxing, and depressant effects."</em>
Hope I helped!
no
b
it causes
unequal pupil size
I think b is the answer . I'm not sure I only tried..
