• Cellular respiration is the process of extracting energy in the form of ATP from the glucose in the food you eat.
  • Oxygen and glucose are both reactants of cellular respiration.
  • When one molecule of glucose is broken down, it can be converted to a net total of 36 or 38 molecules of ATP.
  • This only occurs in the presence of oxygen.
  • Carbon dioxide is transported from your mitochondria out of your cell, to your red blood cells, and back to your lungs to be exhaled.
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