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
Middle conchae of nose are a part of? 
Select and explain. 
A. Nasal Bone, B. Ethmoid, C. Vomer, D. Maxilla
B: Ethmoid
Answer: B: Ethmoid 
Explanation: None