{"role":"assistant","content":"A neuron is a specialized type of 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 can be classified 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), allowing the body to perceive stimuli from the environment.\n\n2. **Interneurons**","refusal":null,"annotations":[]}