This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: General physiology, Subject name: Physiology
Sarcomere is the area between 
Select and explain. 
A. Two consecutive 1 bands, B. Two adjacent Z lines, C. A band and I band, D. Two H zones
B: Two adjacent Z lines
Answer: B: Two adjacent Z lines 
Explanation: The area between two adjacent Z lines is called a sarcomere.(REF TEXTBOOK OF MEDICAL PHYSIOLOGY GEETHA N 2 EDITION, PAGE NO-38)