Answer:
When Nicolas pulls Judy's hair, the pain is registered in the nerve endings at the base of the hair follicles. These nerve endings are responsible for sensing touch and other stimuli, and when they are stimulated, they send a signal to the brain that is interpreted as pain. The hair itself does not have any sensation, as it is made up of dead cells, but the nerve endings at the base of the follicles are able to sense the pull and send a signal to the brain.
Step-by-step explanation: