Question

Alejandra has started to use heroin. How will this MOST likely affect her body systems?

a. It will fill the lungs with toxic material. B. It will release serotonin and dopamine to the brain. C. It will block the transmission of pain signals to her brain. D. It will slow down the central nervous system.

Answer 1

I think it might be D

Step-by-step explanation:

Because it will mostly affect the central nervous system.

Answer 2

B

Step-by-step explanation: