{{B}}sEt 6BiologyCArDiAC musClE{{/B}}
listEn AgAin to pArt oF thE lECturE. thEn AnswEr thE quEstion.whAt CAn BE inFErrED ABout thE ContrACtion oF CArDiAC musClEA．CArDiAC musClE ContrACts AutomAtiCAlly BECAusE it ContAins motor nEurons.
B．thE ContrACtion DEpEnDs on thE ACtion oF soDium, CAlCium, AnD potAssium.
C、thE nErvous systEm tElls CArDiAC musClE CElls whEn to ContrACt.
D．CArDiAC musClE CElls will livE For sEvErAl wEEks in A lABorAtory Dish.