This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General anatomy, Subject name: Anatomy
Which of the following has a single ossification centre only? 
Select and explain. 
A. Clavicle, B. Carpals, C. Metacarpals, D. Metatarsals
B: Carpals
Answer: B: Carpals 
Explanation: Carpals have only one ossification centre while about 3 centers are present for clavicle BD CHAURASIA HUMAN ANATOMY Vol 1