{"role":"assistant","content":"A neuron is a specialized cell that is the fundamental building block of the nervous system. Neurons are responsible for receiving, processing, and transmitting information throughout the body through electrical and chemical signals. They play a critical role in communication within the brain, spinal cord, and peripheral nervous system.\n\nNeurons have several key components:\n\n1. **Cell Body (Soma):** This contains the nucleus and organelles, where metabolic processes take place. It integrates incoming signals from other neurons.\n\n2. **D","refusal":null,"annotations":[]}