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
Extracellular fluid includes all except? 
Select and explain. 
A. Interstitial fluid, B. Mesenchymal fluid, C. Blood plasma, D. Intracellular fluid
D: Intracellular fluid
Answer: D: Intracellular fluid 
Explanation: None