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
Sarcomere is present between 
Select and explain. 
A. 2 successive z lines, B. 2 m lines, C. Both, D. None
A: 2 successive z lines
Answer: A: 2 successive z lines 
Explanation: Sarcomere is functional unit of the muscle It is present between 2 successive z lines Ref:Guyton and Hall textbook of medical physiology 12th edition,page number: 86,87,