Electricity in the human body
Chapter 1
The spark of life
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Chapter 2
The body's wiring system
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Chapter 3
The ultimate electric pump
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Chapter 4
Electric senses and future tech
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YOUR GOAL
Master of Electricity in the human body
Ch 3 · The ultimate electric pump
Fun Fact
Heart electricity: The human heart generates its own independent electrical impulses, allowing it to beat even when severed from the body.
Glossary
heart (noun)
A hollow muscular organ that pumps blood through the circulatory system by rhythmic contraction and dilation. The human heart beats about 100,000 times daily, driven by electrical impulses from right atrium pacemaker cells.
A hollow muscular organ that pumps blood through the circulatory system by rhythmic contraction and dilation. The human heart beats about 100,000 times daily, driven by electrical impulses from right atrium pacemaker cells.
Quiz
Who invented the first practical electrocardiogram (ECG) in 1901, earning a Nobel Prize?
Quiz
What is the medical term for the recovery phase where heart cells restore their resting electrical charge?
Quiz
What is the primary function of an automated external defibrillator (AED) during cardiac arrest?
Quiz
What is the chaotic, rapid quivering of the heart muscle that prevents it from pumping blood called?
Quiz
Into which chamber of the human heart is the natural pacemaker (sinoatrial node) built?