sentences:  In 1969, a group led by PF Baker that was experimenting using squid axons published a finding that proposed that there exists a means of Na+ exit from cells other than the sodium-potassium pump.Digitalis, more commonly known as foxglove, is known to have a large effect on the Na/K ATPase, ultimately causing a more forceful contraction of the heart.The plant contains compounds that inhibit the sodium potassium pump which lowers the sodium electrochemical gradient.