What Is The Function Of The Myofibrils?
What Is The Function Of The Myofibrils? Myofibrils are bundles of protein filaments that contain the contractile elements of the cardiomyocyte, that is, the machinery or motor that drives contraction and relaxation. What is the basic functional unit of muscle? Sarcomeres. A sarcomere is the functional unit (contractile unit) of a muscle fiber. As illustrated