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
Facial muscles are derived from 
Select and explain. 
A. 1st branchial arch, B. 2nd branchial arch, C. 3rd branchial arch, D. 4th branchial arch
B: 2nd branchial arch
Answer: B: 2nd branchial arch 
Explanation: None