Tolerance level
strength of alchohol
Answer:
A. They destroy antigens because they are a foreign object.
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During a marathon, approximately 99% of your muscles needs are met by the OES or Oxygen Energy System. Energy systems are the ones encharge of distributing the energy you need for a certain act.
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Metabolism is the process by which a cell converts nutrients into energy or materials. The conversion of nutrients into energy is called catabolism. For example, glucose is the cell's main source of energy.