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Metabolism

Definition

Metabolism refers to all the physical and chemical processes in the body that convert or use energy, such as:

  • Breathing
  • Circulating blood
  • Controlling body temperature
  • Contracting muscles
  • Digesting food and nutrients
  • Eliminating waste through urine and feces
  • Functioning of the brain and nerves

References

Shulman GI, Petersen KF. Metabolism. In: Boron WF, Boulpaep EL, eds. Medical Physiology. 3rd ed. Philadelphia, PA: Elsevier; 2017:chap 58.