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
Longest muscle of the body: 
Select and explain. 
A. Sartorius, B. Extraocular muscle, C. External oblique, D. Popliteal muscle
A: Sartorius
Answer: A: Sartorius 
Explanation: • Sartorius muscle is the longest muscle of the body.
• It is also known as tailors muscle (Sartor = tailor)