oxygen, The gas we need for respiration., carbon dioxide, The gas released during respiration., water, The liquid product formed during respiration., mitochondria, This is where respiration happens in the cell., aerobic, A form of respiration where oxygen is needed., anaerobic, A form of respiration which doesn't need oxygen., glucose, The sugar needed for respiration., energy, We carry out respiration to get this., lungs, The organs needed for gas exchange., heart, The organ needed to pump blood around the body.

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