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Oxygen is consumed in aerobic respiration, NOTgiven off!
aerobic respiration
oxygen is added to the atmosphere when plants take in carbon dioxide during cellular respiration
fermentation will occur.
Oxygen was utilized by cellular pathways and they will be at the end converted to Carbondioxide as a waste product.
Oxygen is used as an electron carrier in oxidative phosphorylation during aerobic respiration. If there's a lack of oxygen the body starts to respire anaerobically, which is nowhere near sufficient for the body's needs
by oxygen in the atmosphere
Respiration is the exchange of gases such as oxygen and carbon dioxide, not to be confused with ventilation, which is inhalation and exhalation
Oxygen diffuses into the blood from the air sacs in the lungs during the process of respiration.
Cellular respiration can be aerobic and anaerobic. Aerobic respiration requires oxygen, anaerobic respiration does not need oxygen.
Oxygen
Aerobic respiration is the respiration that requires oxygen. It needs oxygen in order to generate ATP. Anaerobic respiration does not require oxygen.