When you eat something greasy, you can feel it on your lips and around your mouth. That can get washed away if it’s external to your body with soap and water. What I’m dumbfounded by is how our bodies can seemingly “wash away” that greasiness from our mouths, throat, stomach, intestines, etc… How is it done?
In: Biology
As with soap and water, it’s chemistry most likely.
Washing with soap, if I recall correctly from high school chemistry 3 decades ago, leaves some sort of open “handle” for things to grab on and hold while the solvent (water) cleanses the offending substance away. There may be something to do with changing the surface tension of the water itself as well, if my memory can be trusted.
That doesn’t answer your question though: if I remember all of that with any semblance of correctness, you’ve got to give the grease something to grab onto, so that natural liquids act as the solvent to expel the waste. I hear that intestinally, oatmeal does a great job “rotorootering” your digestive tract. Not the little pouches with chemically flavours you nuke up in a minute, but the real boil it to just this side of paste stuff that generations of folks have poured all types of sugar and milk on to slurp down.
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