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Homeostasis

chapter 1

QuestionAnswer
What is homeostasis? maintenance of a relatively stable internal environment
dynamic steady state the changes that do occur are minimized by compensatory physiological changes
"dynamic" each regulated factor marked by continuous change
"steady state" changes don't deviate far from a constant or steady level
factors homeostatically regulated temperature, concentration of nutrients, pH, concentration of O2 and CO2, volume and pressure, concentration of waste products, and concentration of water, salt and other electrolytes
internal environment ECF; fluid that surrounds the cells and through which they make life sustaining changes
ECF extracellular fluid; plasma and interstitial fluid
plasma fluid portion of the blood
interstitial fluid surrounds and bathes cells
Created by: graciegort05
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