How does the nicotine from cigarette smoking disrupt oxygen distribution to the cells? it restricts air flow through the bronchi. it reduces the surface area of alveolar sacs. it binds to hemoglobin in red blood cells . it affects the nerve signals that regulate breathing.

Matching: 1. first used by europeans as a local anesthetic; now abused for its euphoric effects 5 marijuana 2. found in coffee beans, tea leaves, and cocoa beans 2 heroin 3. prescribed for pain involving serious injury or surgery 1 morphine 4. illegal derivative of morphine that is sold on the street as a white powder 6 caffeine 5. can evoke feelings of terror and panic 4 lsd 6. causes user to experience a conscious dreamlike state 3 cocaine