Off Topic The R.I.P Thread

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I read somewhere that the appendix is the last vestige of a part of the digestive system that can break down cellulose (a tough part of the structure of most plants).
Grazing animals (grass eaters) like cows can digest cellulose, and their equivalent of the appendix is a huge and vital part of their digestive system.

Humans cannot digest cellulose, but the fact that we still have the vestige of part of the gut that could once digest it would indicate that we have evolved from an earlier kind of animal - an ancient primate presumably - that could digest grass.
Apparently some of the species of early human-like Apes could eat bamboo and probably other types of grasses.
:emoticon-0126-nerd:
So maybe with the trend towards veganism the appendix will be needed by future generations? There will maybe even be appendix transplants.