第一节血液的组成和理化特性 Body fluid: (60% body weight) Intracellular fluid: 2/3 Extracellular fluid: 1/3 Interstitial fluid: 3/4 Plasma: 1/4 Internal environment= extracellular fluid Homeostasis.第一节 血液的组成和理化特性 Body fluid: (60% body weight) Intracellular fluid: 2/3 Extracellular fluid: 1/3 Interstitial fluid: 3/4 Plasma: 1/4 Internal environment = extracellular fluid Homeostasis: