{"role":"assistant","content":"A neuron is a specialized cell that serves as the fundamental building block of the nervous system in animals. Neurons are responsible for transmitting and processing information through electrical and chemical signals. They play a critical role in functions such as sensation, perception, movement, and communication within the body.\n\nNeurons have several key components:\n\n1. **Cell Body (Soma)**: Contains the nucleus and organelles, supporting the cell's metabolic functions.\n2. **Dendrites**: Branch-like structures that extend","refusal":null,"annotations":[]}