Why Do Tears Come out of Our Eyes When We Cry?

Answer

We shed tears when we cry because the tears are the body's way of reducing the toxins that build up when stress levels rise. The chemical composition of tears will thus vary depending on their function.
1 Additional Answer
Ask.com Answer for: why do tears come out of our eyes when we cry
When you cry, tears are produced in the tear glands, or lacrimal glands, found way up under your upper eyelids. One theory as to why we cry is that it nonverbally expresses distress and elicits help from others.
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The reason why people produce tears after yawning is as a result of pressure that is placed on the lacrimal glands. The yawning makes the facial muscles tighten ...
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