5 Questions
What is the major function of the spinal cord and spinal nerves?
Sensory input from body, motor commands from brain
What is the typical diameter of the adult spinal cord?
3/4 inch
How many pairs of spinal nerves are there?
31
What does the posterior (dorsal) root of a spinal nerve contain?
Sensory neurons
What do spinal reflexes involve?
Responses that do not involve the brain
Test your knowledge of the general functions and gross anatomy of the spinal cord with this quiz. Explore the major functions of the spinal cord, its structural and functional link to the brain, sensory input, motor commands, and spinal reflexes.
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