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: Dental
In TMJ 2 joint works synchronously hence known as: 
Select and explain. 
A. Ginglinoid joint., B. Biarthrodial joint., C. Compound joint., D. Synovial joint.
B: Biarthrodial joint.
Answer: B: Biarthrodial joint. 
Explanation: None