Answers

2015-06-25T16:59:56+08:00
Nutrients and oxygen or carbon dioxed  and 

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2015-06-25T18:25:41+08:00
Blood delivered oxygenated and di oxygenated blood to our body.it also deliver nutrients to our body
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it helps us to get nutrients to deliver it to differents part of our body and especially it delivers oxygen too for our heart > :)