Multiple Choice
Which structure is a major organ 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 two structures make up the central nervous system (CNS)?
A
Brain and peripheral nerves
B
Brain and spinal cord
C
Spinal cord and skeletal muscles
D
Cranial nerves and spinal nerves
Verified step by step guidance1
Step 1: Understand the definition of the central nervous system (CNS). The CNS consists of the main control centers of the nervous system responsible for processing information and coordinating activity.
Step 2: Identify the structures involved in the nervous system. The nervous system is divided into the central nervous system (CNS) and the peripheral nervous system (PNS).
Step 3: Recall that the CNS is composed of the brain and the spinal cord, which are responsible for integrating sensory information and responding accordingly.
Step 4: Recognize that peripheral nerves, cranial nerves, spinal nerves, and skeletal muscles are part of the peripheral nervous system or the muscular system, not the CNS.
Step 5: Conclude that the two structures making up the CNS are the brain and the spinal cord.
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