Nervous system/overview of neurons/Channels/diffusion of ions/K+

POINT!

When the potassium (K+) channel is open, potassium (K+) diffuses from the inside to the outside of the cell.

narrated animation

As the concentration of potassium (K⁺) is higher inside the cell, when the potassium channel opens, potassium ions diffuse from inside to outside of the cell.

Challenge Quiz

1.

When the potassium (K⁺) channel is open, potassium (K⁺) diffuses from the inside to the outside from the outside to the inside  正解! of a cell.