{"role":"assistant","content":"A neuron is a specialized cell that serves as the fundamental building block of the nervous system. Neurons are responsible for transmitting and processing information through electrical and chemical signals. They play a crucial role in everything from reflexes and sensory perception to complex cognitive processes.\n\nNeurons have several key components:\n\n1. **Cell Body (Soma)**: This part contains the nucleus and organelles. It is responsible for the general metabolic functions of the neuron.\n\n2. **Dendrites**: These are branching","refusal":null,"annotations":[]}