Section 6
Electricity in the World
Book
Version 3
By Boundless
By Boundless
Boundless Physics
Physics
by Boundless
3 concepts
![Thumbnail](../../../../../../figures.boundless-cdn.com/13830/square/figure-21-06-04a.jpeg)
Humans and Electric Hazards
The hazards from electricity can be categorized into thermal and shock hazards.
![Thumbnail](../../../../../../figures.boundless-cdn.com/15525/raw/wiggers-diagram.jpg)
Nerve Conduction and Electrocardiograms
Voltage pulses along a cell membrane, called action potentials, allow us to sense the world, control parts of our body, and think.
![Thumbnail](../../../../../../figures.boundless-cdn.com/17003/square/x-sinoatrial-node-high-mag.jpeg)
Electric Activity in the Heart
Electric energy stimulating the heart occurs in the sinoatrial node, the heart's pacemaker, and is transmitted partially by Perkinje fibers.