The Space Between Myofibrils in Cardiomyocytes is Occupied Mainly (In

Question

The space between myofibrils in cardiomyocytes is occupied mainly (in terms of volume) by
A) glycogen granules
B) sarcoplasmic reticulum
C) Mitochondria
D) Nuclei
E) T-tubules

Accepted Answer

Mitochondria occupy a significant volume between myofibrils in cardiomyocytes, reflecting the high energy demand of cardiac muscle cells for continuous contraction.