Q.4 Define nerve. Explain its types.
Nerve
A nerve means the union of several axons that are enveloped by a covering made of lipid.
Types of nerves
Based on the property of axons, the nerves are classified into three types:
1. Sensory nerves
They contain the axons of sensory neurons only.
2. Motor nerves
They contain the axons of motor neurons only.
3. Mixed nerves
They contain the axons of both i.e. sensory and motor neurons.
