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Question

Riya and Priya were talking amongst themselves about the rigid, hard and bony structure that is felt as backbone on the back side of the human body. On further discussion they also got to know that backbone protects a soft structure called spinal cord which performs several more functions. Which amongst the following are the functions of spinal cord?


A
Conduction of impulses from the skin towards the brain.
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B
Conduction of impulses from brain to muscles and glands.
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C
Only (a)
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D
Both (a) & (b)
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Solution

The correct option is D Both (a) & (b)

Important functions of Spinal Cord are mentioned below:

  • Forms a connecting link between the brain and the PNS

  • Provides structural support and builds a body posture

  • Facilitates flexible movements

  • Myelin present in the white matter acts as an electrical insulation

  • Communicates messages from the brain to different parts of the body

  • Coordinates reflexes

  • Receives sensory information from receptors and approaches towards the brain for processing.


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