The hull (or outerlayer) of a corn kernel is made up mostly of cellulose. Cellulose is a sort of rubbery substance that does not break down easily when chewed. ... That being said, when you chew corn, the outer layer stays intact while the insides of the kernel dissolve in your mouth.

Why does food come out whole in poop?

‌Your body can't fully digest foods high in fiber, a type of carbohydrate. While your body breaks down most carbohydrates into sugar molecules, it can't break down fiber. So it passes through your GI tract undigested.

What happens if you don't chew corn?

If you swallow sweet corn, with or without chewing, some of the kernels may remain intact in the stomach and, although enzymes will diffuse in and nutrients diffuse out, the overall appearance of the kernel will remain very similar when it eventually emerges.