Answer:
Schools are not opened yet so we are just chilling lol
Answer:
cytosol returns to its resting levels.
Explanation:
Myofibrils are bundles of contractile filaments which are arranged in parallel groups in thecytoplasm of striated muscle cells.
The statement that myofibrils do the actual movement during exercise is true. because the main function of the myofibril is to perform muscle contraction, and muscle contractions are the actual movements of the muscles.
