<prompt> Na-K ATPase3 Na out 2K in3Na in 2K out2Na out 3K in2Na in 3K out  <response>: Na-KATPase, which actively moves Naand K against their electrochemical gradient. The electrogenic Na K ATPase plays a critical role in cellular physiology by using the energy in ATP to extrude 3 Na out of the cell in exchange for taking two K into the cell. REF.GANONGS REVIEW OF MEDICAL PHYSIOLOGY 23rd EDITION page no.85. 