{"role":"assistant","content":"A neuron is a specialized type of cell that serves as the fundamental building block of the nervous system in animals, including humans. Neurons are responsible for transmitting information throughout the body in the form of electrical and chemical signals. \n\nKey features of neurons include:\n\n1. **Structure**:\n   - **Cell Body (Soma)**: Contains the nucleus and organelles; it is responsible for the metabolic activities of the neuron.\n   - **Dendrites**: Branch-like extensions that receive signals from","refusal":null,"annotations":[]}