TRUE about Milieu Interior:
High-Yield Explanation
"La fixit milieu interior" was Coined by Claude Bernard and it means that in spite of ever changing external environment the internal environment remains the same. In our body cells are bathed in the interstitial fluid which constitute the internal milieu. Interstitial fluid is pa of ECF. Ref: Textbook of Biochemistry By G.P Talwar and I.M. Srivastava, Page 276