Why is it that when water or other liquids go up our noses it is super uncomfortable but when we cry the tears drain through our noses and it just feels like mucus?
In: Biology
Salt content. Basically plain water is not isotonic with our cells. In sensitive areas like eyes and nasal cavities. The cells are trying to balance the salinity causing us to register pain.
If it’s salt water then there’s too much salt and the same thing happens.
If you have a solution that is isotonic with the body. Around .9%. Then it wont hurt at all.
Tears dont hurt because they have the right amount of salt.
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