All the parts of our bodies need ________ to work properly., oxygen, carbon dioxide, lungs, blood, We get oxygen into our ________ when we breathe in., blood, oxygen, lungs, process, The oxygen moves around the body in our ________., lungs, blood, process, carbon dioxide, The heart ________ the blood to keep it moving around., oxygen, process, blood, pumps, The blood takes ________ back to our lungs., carbon dioxide, pump, lungs, blood, This is called the ________ of circulation., pumps, process, lungs, blood, The red liquid that goes around your body and keeps you alive., heart, process, blood, lungs, To take air in and out of your body through your nose and mouth., breathe, pump, oxygen, blood, Two parts inside the top half of your body that you use to breathe., blood, oxygen, heart, lungs, To make a liquid move to another place by pushing it., heart, pump, breathe, process, The gas that we breathe out after we breathe in air., lungs, blood, oxygen, carbon dioxide, The part inside your chest that makes blood go around your body., pump, heart, lungs, process

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