did you know: human tears have different microscopic structures.

there 3 different types of tears, basal, emotional, and reflex. depending on the tear type, different ducts are used to secret them.

Reflex tears are responses to irritants, and generally are richer in antibodies. (onion)

Basal tears are general lubricant for the eye, and have a saline makeup that contains some minerals and a handful of amino acids and the such, needed for general eye health. (Ending or beginning)

And emotional tears are those big, wet, crying hard joy/ sadness tears, they generally have a high water content and some Sodium Bicarbonate in them. (grief, happiness, sadness)

Microscopic images of tears by Rose-lynn Fischer.