If your stomach acid so acidic that it can melt almost anything, why do other foreign organisms and objects still pass through like nothing happen? Why do tapeworms continue to survive and other bacteria?
In: Biology
Tapeworms have a secondary epidermis which excretes and coats them with a similar compound to the mucus that lines our stomachs. It quickly neutralizes the pH of our gastric acid at a cellular level. Also, our stomach will eject its contents after a certain amount of time. Some things require much longer to be broken down fully, and the stomach doesn’t hold on that long. Fibrous foods such as beans, corn, grains and seeds will usually be left partially intact. This is a good thing, as the extra bulk helps stimulate the intestinal walls and form healthier stool.
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