yes. no.
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Yes.
Yes humans can live with out heads if they are an zombie.
You can live a long normal life without it. You just have to change how you eat
grass we can always live without grass
=Of coarse ,can you live without mucus is the real question!!!!!=
Stomach's are not generally transplanted, since it is possible to live without them.
It is indeed, however stomach transplants are rarely performed since it is actually possible to live without your stomach.
Yes.
No, humans cannot live without establishing a harmonious connection with the ecosystems in the oceans.
yes they can. they actually used to live without humans in herds, until they were domesticated by humans and used for traveling purposes. there are still about 25,000 wild herds of horses.