{"role":"assistant","content":"A neuron is a specialized cell that is a fundamental component of the nervous system, responsible for transmitting information throughout the body. Neurons communicate via electrical impulses and chemical signals, enabling various functions including sensation, reflexes, and cognition.\n\nKey features of neurons include:\n\n1. **Structure**:\n   - **Cell Body (Soma)**: Contains the nucleus and organelles; where most of the neuron's metabolic activities occur.\n   - **Dendrites**: Branched extensions that receive signals from","refusal":null,"annotations":[]}