The acids in the stomach are strong, but will not dissolve glass. Glass is used to store acid for that reason.
i'm thinking probably not.
Lactose- we can not digest the B(1-4) linkage
Certainly, humans can digest blood, which is very nutritious; blood (from cattle) mixed with milk is the main component of the traditional Zulu diet, and even the European diet does include such things as blood pudding and blood sausage.
they break down cellulose (plant starch) that humans cannot digest they break down lactose with lactic acid, that humans do not produce
The human body is able to digest dirt. In fact, dirt can even provide humans with some of the minerals they lack like iron, zinc, or calcium.
it means nothing. humans and all mammals, excluding pigs, cannot digest corn. we gain no nutritional value from it. the way it goes in, is the way it comes out.
no. humans lack an enzyme to digest wood
Yes, humans can digest goldfish just like any other fish but I wouldn't recommend it.
Humans can't digest cellulose.
humans use stomach acid to digest the food
rock
None. Humans can't digest cellulose. Bacteria in the large intestine can digest some cellulose, creating gas and vitamin K.
to digest food
Fiber
they cant
No don't be silly!
No. Tissues are made of paper which is made from cellulose which humans cannot digest.
Humans can't digest roughage (eg. cellulose) because of the beta linkages that hold the glucose molecules together. Humans don't have enzymes that can break these linkages.