{"role":"assistant","content":"A neuron is a specialized cell that is the fundamental building block of the nervous system. Neurons are responsible for transmitting information throughout the body in the form of electrical and chemical signals. They play crucial roles in processes such as sensation, reflexes, movement, and cognition.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma):** Contains the nucleus and organelles. It is where most metabolic activities occur.\n\n2. **Dendrites:** Branch-like structures that extend from the","refusal":null,"annotations":[]}