Multiple Choice
What are the two main organs of the central nervous system (CNS)?
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12. The Central Nervous System
Introduction to the Central Nervous System
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Which of the following substances slows down the central nervous system?
A
Nicotine
B
Alcohol
C
Cocaine
D
Caffeine
Verified step by step guidance1
Identify the role of the central nervous system (CNS) in the body, which is to process information and coordinate activity throughout the body.
Understand that certain substances can either stimulate or depress the CNS, affecting its normal function.
Recognize that stimulants, such as nicotine, cocaine, and caffeine, increase the activity of the CNS, leading to heightened alertness and energy.
Learn that depressants, such as alcohol, slow down the activity of the CNS, leading to relaxation, decreased coordination, and slower reaction times.
Conclude that among the given options, alcohol is the substance that slows down the central nervous system, acting as a depressant.
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