{"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 in the form of electrical and chemical signals. They play a crucial role in processes such as reflexes, sensory perception, and cognitive functions.\n\nKey components of a neuron include:\n\n1. **Cell Body (Soma)**: Contains the nucleus and organelles, and is responsible for the metabolic functions of the neuron.\n  \n2. **Dendrites**:","refusal":null,"annotations":[]}