And this is coming from neurons in my heart that are firing what's called action potentials, potential meaning voltage and action meaning it moves quickly up and down, which causes my heart to fire, which then causes the signal that you see here.
Il vient des neurones dans mon cœur qui déchargent ce qu'on appelle des potentiels d'action, le potentiel étant le voltage et l'action car il monte et descend vite, ce qui fait marcher mon cœur, ce qui provoque le signal qu'on voit ici.