Differences between the muscles in K free ringer and those in Ca free ringer with special reference to ionic  behaviors.
D000663:Amphibians; D000818:Animals; D001692:Biological Transport; D002118:Calcium / Q000378:metabolism*; D002463:Cell Membrane Permeability; D007552:Isotonic Solutions; D009132:Muscles / Q000378:metabolism*; D011188:Potassium / Q000378:metabolism*
D007552:Isotonic Solutions; D011188:Potassium; D002118:Calcium