The inner wall of the esophagus is lined with stratified squamous epithelium. It shows up as large purple on your slide. Notice that the cells at the base of this epithelial layer are cuboidal. This is the region where mitosis occurs.
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I'm not sure, but I think that its your skin that protects the internal tissues.
i would say the absolute method but im not sure sorry
Answer: alimentary canal
Explanation: The alimentary canal is the long tube of organs — including the esophagus, stomach, and intestines — that runs from the mouth to the anus