Answer:
A reflex reaction develops inside the spinal cord in the event of sudden intense discomfort, such as that caused by hurting the finger. Your motor neurons fire, and your arm muscles relax, pulling your hand away from the sharp object.
Step-by-step explanation:
Neurons are the basic building blocks of the brain and nervous system. They are the cells that receive sensory signals from the outside environment. They also tell what the body to do during certain situations.