Discover how doctors use electricity in the human body to stimulate and suppress muscles - and save lives.
- Electricity is a useful tool in medicine and saves lives.
- An electric shock can stop and restart the human heart.
- In some operations surgeons stop the heart with a current to make it easier to operate.
- Electrical impulses control muscle movement and these can be detected by a machine called an oscilloscope.
An electric shock can be enough to stop the human heart.
But another controlled blast of electricity can also restart it.
Because movements in the human body are triggered by natural electrical pulses, electricity can be a useful tool in medicine.
Take, for instance, the heart.
The heart has a …
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