{"role":"assistant","content":"A neuron is a specialized cell that is the fundamental building block of the nervous system in animals. Neurons are responsible for transmitting electrical signals throughout the body, allowing for communication between different parts of the nervous system and coordinating various functions.\n\nKey features of neurons include:\n\n1. **Structure**: Neurons typically consist of three main parts:\n   - **Cell Body (Soma)**: Contains the nucleus and other organelles; it's where most cellular functions occur.\n   - **Dendrites**:","refusal":null,"annotations":[]}