Answers

2015-06-23T05:25:56+08:00
Food nutrients and Oxygen.
Food nutrients and Oxygen are being delivered because of our heart which is the powerful muscular pumping organ. 
Our heart pump the blood to all parts of the body.
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2015-06-26T22:59:54+08:00
The blood is known to deliver oxygen, nutrients, and hormones. It also delivers carbon dioxide to prepare for gas exchange.
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