NEET PG DENTAL EXAM

Detailed explanation-1: -There are 24 or 12 pairs of cranial nerves and 62 or 31 pairs of spinal nerves which constitute the peripheral nervous system or PNS. Q. How many cranial and spinal nerves are present in human body which constitute peripheral nervous system ?

Detailed explanation-2: -You have 12 cranial nerve pairs. Each nerve pair splits to serve the two sides of your brain and body. For example, you have one pair of olfactory nerves. One olfactory nerve is on the left side of your brain and one is on the right side of your brain.

Detailed explanation-3: -There are 31 pairs in humans: eight cervical, twelve thoracic, five lumbar, five sacral, and one coccygeal. Each pair links the spinal cord to a different part of the body. Complete answer: 12 pairs of cranial nerves arise from the brain.

Detailed explanation-4: -In humans 12 pairs, the cranial nerves, are attached to the brain, and, as a rule, 31 pairs, the spinal nerves, are attached to the spinal cord.