Respuesta :

Answer:

Narcotic pain relievers work by binding to receptors in the brain, which blocks the sensation of pain.

Explanation:

Answer:  Effects depend heavily on the

dose, how it’s taken, and previous exposure to the

drug. Negative effects include:

• Slowed physical activity, constriction of the pupils,

flushing of the face and neck, constipation, nausea,

vomiting, and slowed breathing

Explanation: