FaceTheSun t1_j9kjsay wrote
do they actually "make up your body" or are they just living in there symbiotically?
gamesexposed OP t1_j9kyu0k wrote
They do make up your digestive system, which is a crucial part of your body. Bacteria process our food into usable energy for us...I think that's not as symbiotic as it is integral.
FaceTheSun t1_j9l21sa wrote
It amazing all functions they provide
gamesexposed OP t1_j9lb62i wrote
The human body is an amazing thing, no doubt
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