Question: The SA node has a resting membrane potential, for SA node cells to reach threshold into the cell. potassium influx calcium efflux potassium efflux

The SA node has a resting membrane potential, for SA node cells

The SA node has a resting membrane potential, for SA node cells to reach threshold into the cell. potassium influx calcium efflux potassium efflux calcium influx sodium ion influx sodium fon offlux

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