{"role":"assistant","content":"A neuron is a specialized cell that serves as the fundamental unit of the nervous system in both vertebrates and invertebrates. Neurons are responsible for transmitting and processing information throughout the body. They communicate through electrical impulses and chemical signals, enabling various functions, including sensation, thought, movement, and regulation of bodily processes.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: Contains the nucleus and organelles, where metabolic activities occur.\n\n2. **Dendrites**","refusal":null,"annotations":[]}