The epithelium lining the stomach, small intestine, and most of the large intestine is simple columnar; the epithelium in the oral cavity, esophagus, and pharynx is stratified squamous. Are these two statements true or false?
a) The first statement is false; the second is true.
b) Both statements are false.
c) The first statement is true; the second is false.
d) Both statements are true.

D. Both statements are true.

Explanation:

Simple columnar epithelium has just a layer which lines the digestive parts such as the stomach ,small intestine and large intestine.

The stratified squamous epithelium also has a single layer but with a flat surface.It lines the oral cavity.This structure is most suitable for movement of particles through the surface which could be through diffusion or filtration.

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the correct answer: the index of refraction of the second medium is lower i tried this persons answer and it was wrong this person is lying