There are 12 pairs of cranial nerves in human beings.
Cranial Nerve I - Olfactory
Cranial Nerve II - Optic
Cranial Nerve III - Oculomotor
Cranial Nerve IV - Trochlear
Cranial Nerve V - Trigeminal
Cranial Nerve VI - Abducens
Cranial Nerve VII - Facial
Cranial Nerve VIII - Audiory
Cranial Nerve IX - Glossopharyngeal
Cranial Nerve X - Vagus
Cranial Nerve XI - Spinal Accessory
Cranial Nerve XII - Hypoglossal
Important points required for NEET UG (related to cranial nerves) -

Anamniotes have 10 pairs of cranial nerves while amniotes have 12 pairs of cranial nerves.
If abducent (Cranial Nerve VI) is injured, movement of eyeballs will be affected. (AIPMT Prelims 2005)

Vagus nerve (Cranial Nerve X) has highest number of branches.
Injury to vagus nerve will not affect tongue movements.

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