{"role":"assistant","content":"A neuron is a specialized cell that serves as the fundamental building block of the nervous system in both vertebrates and invertebrates. Neurons are responsible for transmitting information throughout the body. They communicate via electrical and chemical signals and play essential roles in processes such as reflexes, sensory perception, and cognitive functions.\n\nNeurons consist of several key components:\n\n1. **Cell Body (Soma)**: The cell body contains the nucleus, which houses the cell's genetic material. It also contains organelles","refusal":null,"annotations":[]}