Answer: Twelve pairs.
- A Ten pairs
- B Thirty-one pairs
- C Twelve pairs
- D Eight pairs
Correct answer: C. Twelve pairs
Explanation: Humans have 12 pairs of cranial nerves arising from the brain (and 31 pairs of spinal nerves).
Structure of a neuron. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.
Concept context
Brain, spinal cord, neurons, reflex arcs, and sense organs.