Question

What are spinal nerve?​

Answer 1

A spinal nerve is a mixed nerve, which carries motor, sensory, and autonomic signals between the spinal cord and the body. In the human body there are 31 pairs of spinal nerves, one on each side of the vertebral column.

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Answer 2

Answer:

Spinal nerve, in vertebrates, any one of many paired peripheral nerves that arise from the spinal cord. In humans there are 31 pairs:

• 8 cervical,

• 12 thoracic,

• 5 lumbar,

• 5 sacral, and

• 1 coccygeal.

Each pair connects the spinal cord with a specific region of the body.

Functions of the Spine

⇒Protect the spinal cord, nerve roots and several of the body's internal organs.

⇒Provide structural support and balance to maintain an upright posture.

⇒Enable flexible motion.

The spinal cord is divided into four different regions:

• the cervical

• thoracic

• lumbar and

• sacral regions

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