"In med school,we have been taught how oxygen enter into Hb of RBC,from where it starts,where it goes ,how it leaves the body ,it's significance and etc but they never teach something important.If it's in our teaching,it would make a lot of difference."
"What is that bro?"he asked curiously.
"In medicine,we came across terms such as primary and secondary often. In respiration,I mean the breathing,lung is 'mistakenly' addressed as the primary breathing organ,"I briefed.
"Is there any other organ for breathing in our body?"he questioned suspiciously.
"There is but it's not inside us,it's outside."
"Really?"
I looked at him, smiled,"The oxygen we inhale is produced by trees,the toxic Co2 we exhale is taken in by the trees.That is our primary 'breathing organ' and if people realize it,they wouldn't simply cut a tree without a proper back up plan."
"True right bro.Is there a way to stop it?"he asked. "Maybe if we can see the oxygen being produced and leaving the tree with our naked eyes,we would be more cautious.Since we can't see it,we don't value the importance until its too late."
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