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

Question

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

Answer 1

• It will slow down the central nervous system
• It will release serotonin and dopamine to the brain
• It will block the transmission of pain signals to her brain.