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2015-06-06T10:55:40+08:00

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The air enters the main branch (trachea) then to the smaller stems (bronchi) and finally to the smallest stems (bronchioles) that will later go on to the alveoli ..
                                 
 thats my answer   ...






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Thankyou ;)
I have another question :) Bakit may uring makabanghay ang kwentong Ang ama? Can you answer this for me please :(