{"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 via electrical and chemical signals. \n\nHere are some key features of neurons:\n\n1. **Structure**: A typical neuron consists of three main parts:\n   - **Cell body (soma)**: Contains the nucleus and organelles, and is responsible for maintaining the cell’s functions.\n   - **Dendrites**: Branched extensions that receive signals from","refusal":null,"annotations":[]}