Answer:
Stimulants creates more activity in the brain. It adds more alertness, attention, and energy to the brain. An example of a stimulant is Adderall, used for people with ADHD.
Opioids are usually medically used for pain relief. They attach to these opioid receptors on nerve cells. in your brain and other places. The opiods prevents pain from the body through the spinal cord to the brain
depressants slow down the brain activity which helps treat anxiety, panics, etc. Depressants makes the person feel relaxed
