5. W hich structure is present in the right ventricle of the sheep's heart, but not in the left ventricle? Make a labeled sketch of cardiac muscle as you observed it under the microscope. Label the nucleus, intercalated discs, sarcolemma, and striations. 6. Cardiac Muscle Magnification: 7. Identify two differences between the structure of cardiac muscle tissue and skeletal muscle tissue Cardiac muscle tissue Skeletal muscle tissue
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