why do humans have ear wax
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Earwax, also known as cerumen, is a gray, orange, or yellowish waxy substance secreted in the ear canal of humans and other mammals. It protects the skin of the human ear canal, assists in cleaning and lubrication, and also provides some protection against bacteria, fungi, insects, and water.
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It is basically helpful for ears as it provides lubrication and thus a smooth way for sound propagation..
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