7 Skeletal Muscle (cont.) Each sarcomere is bounded by two Z linesEach sarcomere is made of actin and myosin strands
8 Sliding Filament Theory Basic theory of muscle contraction.Two filaments, actin & myosin, interact within the sarcomereLength of A band doesn’t change.I-band and H-zone shorten during contraction.Filaments slide past each other but do not shorten themselves.
9 Cardiac Muscle Found only in heart Striated like skeletal muscle Involuntary like smooth musclePushes blood out of the heart
Your consent to our cookies if you continue to use this website.