{"role":"assistant","content":"A neuron is a specialized cell that serves as the fundamental building block of the nervous system. Neurons are responsible for transmitting and processing information through electrical and chemical signals. They play a critical role in communication within the brain, spinal cord, and throughout the body.\n\nNeurons have three main parts:\n\n1. **Cell Body (Soma)**: This contains the nucleus and other organelles. It is responsible for maintaining the cell's health and functionality.\n\n2. **Dendrites**: These are","refusal":null,"annotations":[]}