Answer:
Explanation:
contract the ciliary body
They are usually the most irritating line of defense and the body's reaction to a potential contaminant.
For example, when one touches poison ivy, the body will release histamines to react to the allergen. A blotchy red patch will appear on the skin (possibly several). An anti-histamine, like Benadryl, can help clam these symptoms.
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I am pretty sure that it is nerve
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