I've seen so many questions like these, but none of them really answered it correctly. I'm doing a science project on the respiratory system, and I'd like to know exactly why we need oxygen for our body to function correctly. I need a pretty simple answer, but still in some details. 10 points to a good answer or link.
cs
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the guys below me
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Why Do We Need Oxygen
B L MEENA
The Man Reason For Taking Oxygen Is If We Cant Take Oxygen Than In Our Body Is A Lot Of Amount Of Crabon Dy Oxide And Much Presence In Our Body Of Carben dy Oxide Our Body Gives Much More Sugar Than Our Body Cant Manage That Sugar And A Man Will Die..!!
So We Take Oxygen..!!
ecolink
The main reason we use oxygen is in the process of cellular respiration. In order for our bodies to change the energy in glucose to the energy of ATP which is ready for our cells to use, we have to pass electrons down an electron transport chain. Oxygen is the final acceptor of those electrons as well as of the H+ (hydrogen ions). Oxygen plus the electrons and hydrogen ions makes water molecules. Without oxygen to accept these electrons, the whole process will stop. It's kind of like what happens to cities when the garbage collectors go on strike.
Daniel
hi im dave