{"role":"assistant","content":"A neuron is a specialized cell that is the fundamental building block of the nervous system. Neurons are responsible for receiving, processing, and transmitting information through electrical and chemical signals. They play a crucial role in a wide range of functions, including sensation, movement, and cognition.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: Contains the nucleus and organelles, and is responsible for maintaining the cell's health and function.\n\n2. **Dendrites**: Branch","refusal":null,"annotations":[]}