This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'TRUE about Milieu Interior: \nSelect and explain. \nA. ICF, B. Plasma, C. Lymph, D. Coined by Claude Bernard', 'role': 'user'}, {'content': 'Answer: D \nExplanation: "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', 'role': 'assistant'}]