Is it not a marvellous thing that the lacrimal glands, or tear ducts, serve as a safety valve to reduce the internal pressure when we are under emotional stress? How unbearable it would be, even for a little girl, if she could not cry when her doll dropped on the floor and broke, or some equally frustrating thing happened. The pain seems only half as bad when salty tears roll down the cheeks like pearls. In fact, this ingenious arrangement operates much better with women than with men.

In addition to the secretion of tears when crying, the lacrimal glands, which are located just within the upper outside part of the eye socket, embedded in a little pocket, have yet another function: the tears must keep the conjunctiva and the cornea moist in order to prevent their drying out. Furthermore, bacteria, dust and other foreign particles are washed away by the tears.


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