Sandbox DW1 009: Difference between revisions

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===Transport of Oxygen to Cells===
===How do we get the oxygen we breathe?===
===How do we get the oxygen we breathe?===
Oxygen is required by all aerobic animals as a basic mechanism to accept electrons and hydrogen ions produced during metabolism. Even when oxygen is all around us, in the air and in the water, oxygen need to be close to the cells where it's going to be used.
Oxygen is required by all aerobic animals as a basic mechanism to accept electrons and hydrogen ions produced during metabolism. Even when oxygen is all around us, in the air and in the water, oxygen need to be close to the cells where it's going to be used.
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