User talk:Rschreitz

Shouldn't the following sentence in "Electrical conduction / Sinoatrial node" refer to calcium ions? “However a rapid influx of sodium ions causes the membrane's charge to become positive.” “However a rapid influx of calcium ions causes the membrane's charge to become positive.” Rschreitz (talk) 04:56, 24 May 2016 (UTC)Rschreitz