{"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 communicating between different parts of the body and processing sensory information.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: This part contains the nucleus and organelles, supporting the neuron's metabolic functions.\n\n2. **Dendrites**: These are branching extensions that receive signals from","refusal":null,"annotations":[]}