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
Anatomical dead space of normal lung is 
Select and explain. 
A. 150 ml, B. 250 ml, C. 300 ml, D. 350 ml
A: 150 ml
Answer: A: 150 ml 
Explanation: None