{"role":"assistant","content":"A neuron is a specialized cell in the nervous system responsible for transmitting information through electrical and chemical signals. Neurons are the fundamental building blocks of the brain, spinal cord, and peripheral nervous system.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: Contains the nucleus and organelles; it is where most of the neuron's metabolic activities occur.\n\n2. **Dendrites**: Branched extensions that receive signals from other neurons and transmit them toward the cell body.\n\n","refusal":null,"annotations":[]}