{"role":"assistant","content":"A neuron is the basic structural and functional unit of the nervous system. It is a specialized cell responsible for transmitting electrical and chemical signals throughout the body. Neurons play a critical role in processing and communicating information in the brain and spinal cord, as well as in the peripheral nervous system.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: This contains the nucleus and other organelles, which are essential for the cell's metabolic functions.\n\n2. **Dendrites**","refusal":null,"annotations":[]}