Khan Academy
Sodium-Potassium Pump, Cells, MCAT
Building upon the previous video about structure, this resource lays the building blocks for generating an action potential and transmitting a signal from dendrites through the axon. The topics are pretty detailed. Salman Khan also talks...
Khan Academy
Correction to Sodium-Potassium Pump Video, Health and Medicine
This is a brief correction to the video detailing the pumping of three sodium ions and two potassium ions. There is also a letter from a professor providing information about the ratio of three to two ions and explaining that the...
Curated OER
Potassium - Periodic Table of Videos
Potassium is violently reactive, yet a biological necessity in our bodies. View this fascinating video as part of the series to introduce young chemists to the world of elements.