why do we breath???

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I need to answer this biology and i have no idea.

2007-11-19 16:19:25 · 5 answers · asked by Anonymous in Health ➔ Dental

because in cellular metabolism, oxygen is the final electron acceptor.

2007-11-19 16:22:09 · answer #1 · answered by Kara 3 · 0⤊ 0⤋

For the gas exchange of Oxygen and Carbon Dioxide for Cell Respiration.

2007-11-19 16:23:32 · answer #2 · answered by Sean L.P.N 3 · 0⤊ 0⤋

We breath so we can talk on our cell phones longer.

2007-11-19 17:05:42 · answer #3 · answered by Sunny 4 · 0⤊ 0⤋

our bodies require oxygen to live, so we breathe to get it.

2007-11-19 16:21:54 · answer #4 · answered by essentiallysolo 7 · 0⤊ 0⤋

scientifically answer
http://breathmastery.com/why_breathe.htm

My answer
Perhaps to live?.....^-^

2007-11-19 17:50:51 · answer #5 · answered by Punkey monkey 2 · 0⤊ 0⤋