Answers

2015-06-16T18:48:56+08:00
Blood is important because they contain water, protein, and other dissolved substances. Blood specifically the hemoglobin content in RBCs that pick up and transport oxygen and bring them to the cells and carry back waste gases.
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2015-06-17T14:52:44+08:00
Blood is important because it circulates through out the body

and the function of blood is to transport harmones

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