Answers

2015-06-20T13:18:31+08:00
As we breath in our diagphragm moves down   and as we breath out our diagphragm relaxes..................

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2015-06-21T14:25:20+08:00
Kapag mag-iinhale ka oxygen ang papasok. Kapag mag-eexhale ka carbon dioxide ang ilalabas mo
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