I learned that…. The primary organs of the respiratory system are the (1) _______________, which carry out this exchange of gases as you breathe. Inhaling moves the diaphragm (2) _______________and expands the (3) _______________. When you (4) _______________, the diaphragm relaxes. The diaphragm and the ribs return to their original place. The (5) _______________ system is the main transport system of the human body. It is made up of the heart, blood, and blood vessels namely (6) _______________, (7) _______________, and (8) _______________. These vessels bring oxygen-rich blood also called (9) _______________ to the different tissues in the body and transport (10) _______________ from the tissues to the lungs, in a process called circulation.
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Answer:
1.answer
2.oo
3.sige
5.69
6HAHA
Explanation: