{"role":"assistant","content":"A neuron is a specialized cell that serves as the basic building block of the nervous system. Neurons are responsible for transmitting information throughout the body via electrical and chemical signals. They can be categorized into three main types:\n\n1. **Sensory Neurons**: These neurons carry signals from sensory receptors (such as those in the skin, eyes, and ears) to the central nervous system (CNS), which consists of the brain and spinal cord. They help the body perceive and respond to external stimuli","refusal":null,"annotations":[]}