Matching 1. increases the activity of the central nervous system tranquilizers 2. increases the heart rate and suppresses the appetite stimulants 3. first used by europeans as a local anesthetic; now abused for its euphoric effects depressants 4. found in coffee beans, tea leaves, and cocoa beans narcotics 5. reduces the activity of the central nervous system barbiturates 6. suppresses brain activity by blocking the ability of nerves in the brain from sending or receiving signals amphetamines 7. reduces the physical and psychological symptoms of anxiety by reducing brain activity cocaine 8. pain-killing drugs that are derived from opium caffeine

Correct Matches

1) Increases the activity of the central nervous system (stimulants)

2) Increases the heart rate and suppresses the appetite (amphetamines)

3) Introduced and first used as a local anesthetic in Europe, today abused for its euphoric effects-cocaine

4) Found in coffee beans, tea leaves, and cocoa beans (caffeine)

5) Reduces the activity of the central nervous system (depressants)

6) Suppresses brain activity (blocks the ability of nerves in the brain from sending or receiving signals) - (barbiturates)

7) Reduces the symptoms (physical and psychological) of anxiety by reducing brain activity-tranquilizers

8) Pain-killing drugs that are derived from opium (narcotics)

answer; indirect elisa;

im 100% sure its all of the above.