Oxygen also reacts with transition metals and type dioxygen complexes with them, including myoglobin and hemoglobin (oxygen carrying proteins present from the blood). A variety of substantial organic compounds also comprise oxygen, together with citric acid glycerol, acetic anhydride and acetamide. The commonest reaction of oxygen is termed as oxidation. https://franciscoahlot.blogdon.net/rumored-buzz-on-hyperbaric-chamber-cost-near-me-51920956