Why do tears comes when we cry or laugh when we are born when we are cutting an onion and many other situations?
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Why do tears comes when we cry or laugh when we are born when we are cutting an onion and many other situations?
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Answer:
When an onion is cut, certain (lachrymator) compounds are released causing the nerves around the eyes (lacrimal glands) to become irritated. ... When this occurs, "enzyme" works to alter the amino acids into lachrymator compounds. This form of sulfuric acid irritates the nerves around the eyes making them tear.