{"role":"assistant","content":"A neuron is a specialized cell that serves as the basic functional unit of the nervous system in animals, including humans. Neurons are responsible for transmitting information throughout the body via electrical and chemical signals. There are several key features of neurons:\n\n1. **Structure**: Neurons consist of three main parts:\n   - **Cell Body (Soma)**: Contains the nucleus and organelles, maintaining the cell's health and function.\n   - **Dendrites**: Branch-like structures that receive signals","refusal":null,"annotations":[]}