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Bala
From Wikipedia, the free encyclopedia
Say bala et importantin instrumento ed panag-ingas na saray managbangat a bertebrado, a say sankaunaan et say isda a walaan na bala. Say manunan kimey na satan et say pangiyalis na oksiheno manlapud kaliberliber ya ayaman paarap ed dala, tan say pangipaway na karbon dyoksido manlapud kaliberliber ya ayaman paarap ed kaliberliber. Sarayan dagem et uusaren na saray nikadkaduman selula ya ontutumbokan na minilyon ya angkekelag tan nikadkaduma iran balbaleg ya alveoli. Wala met so importantin kimey na saray bala.
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![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/a/a2/Lungs.gif/320px-Lungs.gif)