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NCI Dictionary of Cancer Terms


homeostasis  listen  (HOH-mee-oh-STAY-sis)

  A state of balance among all the body systems needed for the body to survive and function correctly. In homeostasis, body levels of acid, blood pressure, blood sugar, electrolytes, energy, hormones, oxygen, proteins, and temperature are constantly adjusted to respond to changes inside and outside the body, to keep them at a normal level.