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
Total lung capacity is ? 
Select and explain. 
A. 2.4 L, B. 3.6 L, C. 6 L, D. 10 L
C: 6 L
Answer: C: 6 L 
Explanation: Ans. is 'c' i.e., 6 L