Human lungs need air. How are they all breathing so much for so long? Do they know how to recycle carbon dioxide? and if so why not use it against what is happening with global warming? I know the space station is said to have about as much room as a house and if i airtight locked myself in this house, besides going crazy because lack of space, how long before it runs out of air?
If you can answer that, that would be great. :)
2006-12-13
11:50:35
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3 answers
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asked by
philosopher
3