Name the longest nerve present in the human body.

Sciatic nerve:

1. The longest nerve in the human body is the sciatic nerve.
2. It runs through the lower back, and hips to down the knee, where it branches into other nerves extending them into the leg, foot, and toes.
3. The sciatic nerve provides two types of functions:

• Motor function: Helps the muscles present in the leg and foot for movement.
• Sensory function: Helps to feel sensations in the legs.