________ 7.bring blood from the different parts of the body back to the heart. 8. the______________is the hollow muscular organ located in the chest between the lungs. 9. the___________delivers vital nutrients and oxygen to different parts of the body. 10 write at least one way on how to take care of the nervous system.
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7.superior vena cava (SVC) and inferior vena cava (IVC)
8.heart
9.circular system
10.*Exercise regularly.
*Get plenty of rest.
*don't smoke or stay away from a dirty pollution.