Sodium-potassium pump | Cells | MCAT | Khan Academy

How a sodium potassium pump can maintain a voltage gradient across a cell or neuron’s membrane. Created by Sal Khan. Watch the next lesson: Missed the previous lesson? MCAT on Khan Academy: Go ahead and practice some passage-based questions! About Khan Academy: Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. We tackle math, science, computer programming, history, art history, economics, and more. Our math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive