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2015-07-20T21:19:50+08:00

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The diaphragm contract when we inhale and the diaphragm relaxes when we exhale
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2015-07-20T21:55:21+08:00
Ung diaghram gumagalaw depende sa kung nag eenhale ka o ummexhale ka
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diaphragm po pala auto correct kase..