Describe how shortening the length of the muscle affects the thin and thick filaments?

The length of the thick and thin filament do not shorten during muscle shortening.

Explanation:

The muscle contraction helps in he movement of the body parts.The muscle shortening causes the actin filament to pull along the myosin towards the center of the sarcomere.

The actin and myosin filaments completely overlap with each other. The sarcomere shorten during the muscle contraction but the thick and thin filaments length do not change. These thick and thin filament over lap with each other but there length remains the same.

between the two muscle layers is the myenteric or auerbach's plexus, which controls peristalsis. in the colon, the muscularis externa is much thicker because the feces are large and heavy, requiring more force to push along. the stomach has a third layer of muscularis externa: the inner oblique layer.

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