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Juan picks up a steel utensil and immediately drops it because it's extremely hot. How does the reflex arc work to protect Juan from a worse burn?

In a reflex arc, the ________ neuron carries the action potential from the ________.

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Final answer:

The reflex arc swiftly protects individuals from harm by initiating rapid muscle contractions in response to dangerous stimuli.


Explanation:

The reflex arc plays a crucial role in protecting individuals from harm in potentially dangerous situations. In the scenario where Juan picks up a hot steel utensil and immediately drops it to prevent a worse burn, the reflex arc is initiated.

The sensory receptor detects the extreme heat, sending a nerve impulse through sensory neurons to the spinal cord, where the message is relayed through an interneuron to a motor nerve. This prompts the muscle to contract involuntarily, causing Juan to drop the utensil swiftly.

This rapid response showcases how the reflex arc operates without the need for brain input, highlighting its protective function in averting potential injury from dangerous stimuli.


Learn more about reflex arc and rapid responses in dangerous situations here:

https://brainly.com/question/36391899


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