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: Anatomy
Bone which is Pneumatic: 
Select and explain. 
A. Maxillary, B. Parietal, C. Temporal, D. All
A: Maxillary
Answer: A: Maxillary 
Explanation: A i.e., Maxillary