Which cell organelle is especially abundant in cardiac muscle cells due to high energy demand?
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Correct answer: Mitochondria
Cardiac muscle cells contain numerous mitochondria to produce ATP needed for continuous contraction. The heart requires a constant and high energy supply.
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More Cardiac Muscle Histology questions
- Which connective tissue layer surrounds individual cardiac muscle cells?
- Which structural unit allows actin and myosin filaments to slide during cardiac muscle contraction?
- Which membrane structure surrounds each cardiac muscle cell?
- Which structure connects adjacent cardiac cells both mechanically and electrically?
- Which feature allows cardiac muscle tissue to contract as a functional syncytium?
- Compared to skeletal muscle, cardiac muscle contraction is: