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You may be allergic to the yawn, and your reaction may be personal. Or you may have an emotional connection to the project.

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12y ago

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Which eye do tears come out of first when you cry?

There is no universal rule for which eye tears come out of first when crying. It can vary from person to person or even from one instance to another depending on factors such as emotional state or physiological differences.


Why are tears considered to be a nonspecific mechanism of the immune system?

Tears contain lysozyme and lactoferrin, which have antibacterial properties, making tears a non-specific defense mechanism against pathogens that come into contact with the eyes. However, tears do not provide targeted or specific immune responses to particular pathogens like the adaptive immune system does.


What does a wet yarn look like through a microscope?

Like a dry yarn but depending on the yarn material and what is wetting the yarn, the fibers could be more spread out or pulled together tighter. The wetting agent may have the same index of refraction as the fibers and in that case the yarn would almost disappear leaving mostly impurities in the field of view.


What are happy tears?

Sometimes, the human emotion of joy, at an extreme level, can result in crying - these are happy tears.


What color are tears?

Many Believe tears to be clear, because that is how they appear when someone is crying, but if they are collected into a glass vial or bottle (and there are enough tears to see the colour clearly) they are not clear at all but a cloudy white, if enough are collected to fill the bottle or vial it will not even be see through, it will be like very cloudy water, this is possible because of the salt content in tears or for other reasons altogether. but in short, tears are not clear, but cloudy white