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espoir 09 |
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Thursday, December 15, 2005
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Thursday, December 15, 2005
![]() Breathing #u take abt 600 million breaths in a lifetime #if your lungs were opened out flat it would cover the size of a tennis court Respiration #What is respiration? Respiration includes breathing and also the conversion of sugar to the energy in body cells, it is called burning because it creates heat #What is aerobic respiration? It is when muscle cells burn sugar with oxygen. The opposite is called anaerobic respiration. |
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Write stuff about yourself, like maybe... I am a boy, I eat carrots, I rock your socks.
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I suggest you add in a pop-up cbox, then it'll not look so weird.
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