The answer to this question is the term central sulcus. The central sulcus is also known as the central fissure. The central sulcus separates tge somatosensory cortex from the primary motor cortex. It is also the folds in the cerebral cortex which functions as the separator.
Ca+ binds to troponin -> Troponin removes tropomyosin from G actin -> Myosin binds to actin -> Myosin generates a power stroke -> the sarcomere shortens -> ATP recharges the myosin head
