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Well to answer your question, they breath air, because air has oxygen and reptiles need oxygen received through their respiratory system. But a stupid question deserves a stupid answer so here goes: 'because turtles do infact breath water, a turtle can continue to live even out of the water because of their shell. The shell serves two purposes: 1. To protect the turtle from predators, 2. Because it protects and houses a large sack of water from which the turtle can draw upon to breath. Of you see a turtle with a runny nose, or a very slow turtle, these are side effects of a over full water sack.

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14y ago

What else can I help you with?