Which of the following is not the function of tears?

lubricate the surface of the eye

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Wash away dust particles

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Help in killing germs

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Prevent falling of particles in the eye

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Solution

The correct option is D
Prevent falling of particles in the eye

Tears are secreted by the lacrimal gland that are present on the underside of the upper eyelid. They have the following functions: lubricate the surface of the eye, wash away dust particles and communicate emotion, help in killing germs. Whereas eyelashes prevent the falling of larger particle in the eye.

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