Final answer:
Dopamine and opiates are neurotransmitters that affect feelings of pleasure and addiction in the brain. Dopamine is associated with wanting or motivation, while opiates are associated with liking and pain reduction. Opiates, like heroin or morphine, mimic the body's natural opioids and bind to opioid receptors in the brain.
Step-by-step explanation:
Dopamine and opiates are neurotransmitters that affect feelings of pleasure and addiction in the brain. Dopamine is associated with wanting or motivation, while opiates are associated with liking. Dopamine is released when we engage in behaviors that lead to pleasure, such as exercise or drug use. Opiates, like heroin or morphine, mimic the body's natural opioids and bind to opioid receptors in the brain, reducing pain and producing euphoria.