In Chapter 4 We Learned That the Peripheral Nervous System

question 80

Essay

In Chapter 4 we learned that the peripheral nervous system contains nerve fibers (bundles of axons and sometimes dendrites). Most of these nerves enter and leave the spinal cord, but the cranial nerves connect directly to the brain. Describe the role played by the cranial nerves that are involved in the senses of vision, hearing, and smell.