Baqaning nafas olish jarayonida tomog’i pastga tortilganda…………..
1)og’iz bo’shlig’ida bosim oshadi; 2)og’iz bo’shlig’ida bosim kamayadi; 3)havo burun teshigi orqali o’pkaga o’tadi; 4)havo og’iz bo’shlig’i orqali o’pkaga o’tadi; 5)havo o’pkadan kapillyarlar orqali qonga o’tadi; 6)qondan karbonat angidrid gazi havoga chiqariladi; 7)qondan kislorod havoga chiqariladi
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1,3,4,5,6
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2,3,4,5,6
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1,3,4,5,7
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2,3,4,5,7
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Hammasi to’g’ri
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