{"role":"assistant","content":"A neuron is a specialized cell that is the fundamental building block of the nervous system. Neurons are responsible for transmitting and processing information throughout the body via electrochemical signals. They play a critical role in various functions such as sensation, movement, cognition, and the regulation of bodily processes. \n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: This part contains the nucleus and organelles, which maintain the cell's functions.\n\n2. **Dendrites**: These","refusal":null,"annotations":[]}