{"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 information throughout the body via electrical and chemical signals. They consist of three main parts:\n\n1. **Cell Body (Soma)**: This part contains the nucleus and other organelles essential for the cell's metabolic activities.\n\n2. **Dendrites**: These are branched extensions that receive signals from other neurons or sensory receptors. They play a crucial role in gathering information and","refusal":null,"annotations":[]}