Reflex Arc
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Reflex Arc:
Imagine you're cooking in the kitchen and suddenly touch a hot pan, causing you to quickly yank your hand away without thinking. This reflex action is similar to the way a reflex arc operates in your body, which involves a direct and rapid pathway for sensory input to trigger an immediate response. In this analogy, touching the hot pan is like the sensory neuron detecting the stimulus, your lightning-fast decision to pull away is the interneuron in your spinal cord processing the information, and your hand moving away is the motor neuron executing the response.
Practice Version
Reflex Arc: A nerve pathway made of a sensory neuron, interneuron, and motor neuron, it controls reflex actions. Reflex arc. It is a quick, automatic response to a stimulus without involving the brain.