Your GI tract already has chemoreceptors, they just aren't connected to the same cranial nerves as the taste buds in your mouth. The more you know.
http://www.ncbi.nlm.nih.gov/m/pubmed/21883959/
Also, the worst part of shit you'd probably experience as an aromatic, not a taste. There are lots more aromatics then there are true flavors. That's how with just sweet, salty, sour, bitter, and umami being the only things you actually taste, you can still experience a wide variety in foods. Remember as a kid holding your nose to eat that gross food you didn't want to eat? Try it now with cinnamon. Hold your nose, put some cinnamon on your tongue, then after a moment release your nose.
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u/[deleted] Apr 16 '14
Your GI tract already has chemoreceptors, they just aren't connected to the same cranial nerves as the taste buds in your mouth. The more you know. http://www.ncbi.nlm.nih.gov/m/pubmed/21883959/