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Cardiac muscles have branched fibers, which allow for coordinated contractions necessary for pumping blood.
Ref: NCERT Class 11 Biology Chapter 17: Locomotion and Movement Skeletal System - Axial Skeleton - Ribs Sternum
Coronary circulation supplies oxygenated blood to the heart muscle through coronary arteries.
Ref: NCERT Class 11 Biology Chapter 15: Body Fluids and Circulation Lymph and Circulatory Pathways
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