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28 Sep 2019
Why do we use lungs for respiration why not other parts of our body? Why do we use lungs for respiration why not other parts of our body? For instance one has lung cancer so why can't we not use other parts of our body like our skin as it can open and close and has direct connection with the other world?
Why do we use lungs for respiration why not other parts of our body?
Why do we use lungs for respiration why not other parts of our body? For instance one has lung cancer so why can't we not use other parts of our body like our skin as it can open and close and has direct connection with the other world?
1
answer
0
watching
70
views
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Trinidad TremblayLv2
28 Sep 2019