Put the following steps in the relaxation of a skeletal muscle in order.

___ elastic fibers in the sarcomere and muscle connective tissue pull the muscle fibers that lack crossbridges back to their relaxed positions

___ when myosin releases actin, it is not able to from crossbridges again

___ Calcium is actively transported into the sarcoplasmic reticulum

___ tropomyosin blocks actin-myosin binding sites

___ calcium unbinds from troponin

___ cytosolic concentration of calcium decreases