{"role":"assistant","content":"A neuron is a specialized cell that serves as the basic building block of the nervous system in both vertebrates and invertebrates. Neurons are responsible for transmitting information throughout the body via electrical and chemical signals. They play a crucial role in various functions, including sensory perception, motor control, cognition, and the regulation of bodily functions.\n\nKey features of a neuron include:\n\n1. **Structure**: Neurons consist of three main parts:\n   - **Cell Body (Soma)**: Contains the","refusal":null,"annotations":[]}