Final answer:
Spinal nerves are connected to the spinal cord, while cranial nerves are connected to the brain. Spinal nerves are mixed nerves that contain both sensory and motor axons, while cranial nerves can be exclusively sensory, exclusively motor, or a combination of both.
Step-by-step explanation:
Spinal nerves are connected to the spinal cord, while cranial nerves are connected to the brain. Spinal nerves are arranged more regularly than cranial nerves. Spinal nerves are mixed nerves that contain both sensory and motor axons, while cranial nerves can be exclusively sensory, exclusively motor, or a combination of both.