{"role":"assistant","content":"A neuron is a specialized cell that is the fundamental building block of the nervous system. Neurons are responsible for transmitting information throughout the body via electrical and chemical signals. There are several key components and characteristics of neurons:\n\n1. **Structure**: \n   - **Cell Body (Soma)**: Contains the nucleus and organelles; responsible for maintaining the cell's health.\n   - **Dendrites**: Branch-like structures that receive signals from other neurons and transmit them to the cell body.\n","refusal":null,"annotations":[]}