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
Titin is absent in 
Select and explain. 
A. Skeletal muscle, B. Smooth muscle, C. Cardiac muscle, D. All
B: Smooth muscle
Answer: B: Smooth muscle 
Explanation: Titin induces elasticity and is absent in smooth muscle Ref:Guyton and Hall textbook of medical physiology 12th edition,page number:86,87