{"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 information throughout the body via electrical and chemical signals. They play a crucial role in processes such as reflexes, sensory perception, cognition, and motor control.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: Contains the nucleus and organelles, and is responsible for maintaining the cell's functions.\n\n2. **Dendrites**: Branch-like extensions","refusal":null,"annotations":[]}