{"role":"assistant","content":"A neuron is a specialized cell in the nervous system that transmits information through electrical and chemical signals. It is the fundamental building block of the brain, spinal cord, and peripheral nerves. Neurons have a unique structure that includes several key components:\n\n1. **Cell Body (Soma)**: This contains the nucleus and organelles essential for the cell's metabolic functions.\n\n2. **Dendrites**: These are branched extensions that receive signals from other neurons and transmit them toward the cell body","refusal":null,"annotations":[]}