Because they lack an enzyme
Well humans can digest lots of wood but i suggest you shouldn't eat it i love you all
Paper is made of cellulose and humans cannot digest cellulose. Cellulose is another name for wood fiber.
Complex answer: Cellulose is a polysaccharide that provides structural support for plants. Humans cannot digest cellulose. Thus, you cannot digest wood, which is mostly cellulose. :Simple answer Humans cannot digest the carbohydrate cellulose. Soures:AP biology class, Textbook :3
Yes, humans can digest goldfish just like any other fish but I wouldn't recommend it.
Humans can't digest cellulose.
Yes.
humans use stomach acid to digest the food
rock
because of a protist that lives in termites called trichonmpha
to digest food
Fiber