{"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 electrical signals throughout the body, allowing for communication between different parts of the nervous system, including the brain, spinal cord, and peripheral nerves. \n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: Contains the nucleus and organelles, which are essential for the neuron's metabolic functions.\n\n2. **Dendrites**: Branch-like structures that extend","refusal":null,"annotations":[]}