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is their any significance of oxygen in breathing?

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ha ha ha...........yeah it oxidises the glucose in our body to release energy
i m talking about respiration ..
yeah.........where do u think the oxygen through respiration goes to??

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Other answers:

well in whole mechanism i nvr saw its importance :/
in whole mechanism of repiration i nvr founf its much impt.. though :?
see oxygen is abundantly present in atmosphere and it is an essential element needed to oxidise glucose to release energy
we have evolved ourselves to use it :)
Basically, respiration is a process that provides energy. Most of the energy is used for cellular activities: metabolism, cell division, growth, etc. Respiration conserves energy very efficiently. Carbon dioxide, required for photosynthesis by green plants, is replenished by carbon dioxide released in respiration. Similarly, oxygen required for respiration is replenished by oxygen released in photosynthesis. Thus, photosynthesis and respiration are complementary to each other and together help to maintain the balance of oxygen and carbon dioxide in nature.
My understanding is that during the process of making ATP using the electron transport chain, the energy of electrons is released to create a proton gradient. The proton gradient, as you know, is what powers ATP synthase. But, the spent electrons need somewhere to go. And that's what oxygen does - it acts as a final electon acceptor. By combining with a few electrons and a few protons, it becomes water, a harmless byproduct of the reaction. Hope this helps!
Respiration is a profound and fundamental aspect of motion, the indigenous motility of the body, coextensive with life. If you are still confused, I highly recommend you read this article I attached. It's very interesting, and explains the importance of respiration thoroughly.
I apologize, I can't seem to attach the file. I'll post it here:
guys if there is less concentration of oxygen in lungs would it effect in respiration?
oh no.........oxygen has no effect on the mechanics of breathing
exactly faltu m mujhe u hi confuse kiye ja rhe the :/
my main quesstion is that which have no effect on our respiration low concentration of oxygen or low partial pressure of oxygen
low partial pressure of oxygen of course
I did not get your question b4 :P
i mean if there will be high of low partial presure of oxygen how can it affects our respiration ??
if there will be high partial pressure of oxygen in the lungs compared to those in our blood tissues, exchange of gases b/n them is possible
Partial pressure is basically the concentration of gases. It is called partial pressure because the pressure a gas adds to a system, is directly related to the concentration it has in the system.
else if there is low partial pressure of oxygen in the lungs compared to those in our blood tissues- there will be no exchange of oxygen in the reverse direction than intended :P
there is a difference b/n partial pressure and concentration as far as my knowledge of chemistry goes :P
thank you guys :)

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