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

(1 point)
Responses

It will fill the lungs with toxic material.
It will fill the lungs with toxic material.

It will release serotonin and dopamine to the brain.
It will release serotonin and dopamine to the brain.

It will block the transmission of pain signals to her brain.
It will block the transmission of pain signals to her brain.

It will slow down the central nervous system.

It will slow down the central nervous system.

The correct answer is: It will slow down the central nervous system.

The correct answer is: It will slow down the central nervous system.

When a person uses heroin, it enters the bloodstream and crosses the blood-brain barrier. Once in the brain, heroin converts to morphine and binds to opioid receptors. These opioid receptors are primarily found in the brain, spinal cord, and gastrointestinal tract. By binding to these receptors, heroin slows down the central nervous system.

The central nervous system includes the brain and spinal cord, which control and coordinate most body functions. By slowing down this system, heroin can cause several effects on the body, including a feeling of relaxation, pain relief, decreased heart rate, and slowed breathing. These effects are why heroin is classified as a depressant drug.

It's important to note that heroin abuse can have severe health consequences and can lead to addiction, overdose, and even death. If you or someone you know is struggling with substance abuse, it is crucial to seek professional help as soon as possible.