What part of the body does caffeine stimulate?

What part of the body does caffeine stimulate?

Correct Answer: central nervous system
large nervous system
autonomic nervous system
sympathetic nervous system

Explanation: Some psychoactive drugs, such as caffeine, stimulate the central nervous system. They may make the user feel more alert. Some psychoactive drugs, such as alcohol, depress the central nervous system. They may make the user feel more relaxed. Still other psychoactive drugs, such as marijuana, are hallucinogenic drugs. They may make the user have altered sensations, perceptions, or thoughts.

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