{"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 information throughout the body using electrical and chemical signals. Here are some key components and features of neurons:\n\n1. **Structure**:\n   - **Cell Body (Soma)**: Contains the nucleus and organelles; it is responsible for the metabolic activities of the neuron.\n   - **Dendrites**: Branch-like structures that receive signals from other neurons and sensory cells. They","refusal":null,"annotations":[]}