Potassium information in the plasma is tightly managed by four basic mechanisms, which have a variety of names and classifications. They're: Dung d?ch ???c b?m t? m?t b? ch?a ??n ??u cao h?n c?a các ?ng tr?ng cây, và sau khi dung d?ch ch?y qua h?t chi?u dài c?a ?ng,