Oxygen - Periodic Table of Videos
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The team at periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about oxygen - it's number 8 and is among the most "famous" of the elements.
We need oxygen to live. When we breathe, the oxygen, contained within the air, is distributed throughout our bodies by our arteries. Oxygen is carried by red blood cells. These red blood cells are linked to a metalloprotein, which have an iron atom in its middle. What is the name of this molecule?
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