Step 5 Potassium channels open Step 6 potassium ions diffuse outward (when potassium moves out this happens), repolarizing the membrane Step 7 The sending action potential causes a bioelectric current 最好的學習方式。免費註冊。 註冊代表你接受Quizlet的服務條款和隱私政策 以Google帳戶繼續 關於...