{"role":"assistant","content":"A neuron is a specialized cell in the nervous system that transmits information throughout the body. Neurons are the fundamental building blocks of the brain and nervous system and are responsible for carrying signals via electrical impulses and chemical neurotransmitters. \n\nKey features of neurons include:\n\n1. **Structure**: Neurons typically have three main parts:\n   - **Cell Body (Soma)**: Contains the nucleus and organelles, where metabolic activities occur.\n   - **Dendrites**: Branch-like extensions","refusal":null,"annotations":[]}