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The number of spinal nerves in human body are

The number of spinal nerves in human body are Correct Answer 31 pairs

The correct answer is 31 pairs.

The number of spinal nerves in the human body are 31 pairs.

  • Spinal nerves act as mediators or communicators between the body and spinal cord. This is done by 31 pairs of spinal nerves.
  • These 31 pairs are-
    • 8 pairs of Cervical
    • 5 Lumbar
    • 12 Thoracic
    • 5 Sacral
    • 1 Coccygeal
  • Nerve tissues consists of grey and white matter spread uniformly.
  • A neuron is a structured and functional unit of the nervous system. They are irregular in shape and able to conduct EM signals.

Important Points

The further explanation of nerve pairs is as below-

Pair Explanation
Thoracic Nerves
  • 12 TN emerge from thoracic spine (T1-T12).
Lumbar Nerves
  • It means the lower back region five LN merge from the lumbar spine.
Sacral Nerves
  • Sacral means of the sacrum.
  • It is a bony part at the vertebral column base.
  • 5 Sacral nerves emerge from sacral bone.
Coccygeal Nerves
  • Coccygeal means tailbone.
  • One CN emerges from Coccygeal bone.
Cervical Nerves
  • Cervical means of the neck.
  • 8 cervical nerves emerge from the cervical spine.

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