{"role":"assistant","content":"A neuron is a specialized cell within the nervous system that is responsible for transmitting information throughout the body. Neurons have several key characteristics:\n\n1. **Structure**: Neurons consist of three main parts:\n   - **Cell body (soma)**: Contains the nucleus and organelles; it is responsible for maintaining the cell's health and metabolic functions.\n   - **Dendrites**: Branch-like structures that receive signals from other neurons and carry them toward the cell body.\n   - **Ax","refusal":null,"annotations":[]}