Cranial and spinal nerves

Explanation

### Step-by-Step Solution

1. **Definition of Cranial Nerves**:
- Cranial nerves are the nerves that emerge directly from the brain. They are responsible for transmitting information between the brain and various parts of the head, neck, and body.

2. **Definition of Spinal Nerves**:
- Spinal nerves are the nerves that emerge from the spinal cord. They connect the spinal cord to the rest of the body, facilitating communication between the central nervous system and peripheral body parts.

...