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
The Tonsils are derived from: 
Select and explain. 
A. 1st branchial pouch, B. 2nd branchial pouch, C. 3rd branchial pouch, D. 4th branchial pouch
B: 2nd branchial pouch
Answer: B: 2nd branchial pouch 
Explanation: 2nd branchial pouch