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How the heart works
4 chapters
56 assets
by teacher · 10 jul 2026
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Chapter 1
The four-chambered engine
1
The double loop system
2
Four rooms with one-way doors
3
The sound of a heartbeat
4
The ultimate muscular endurance
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Chapter 2
The spark of life
1
The built-in natural pacemaker
2
The delay that saves lives
3
Reading the electrical lines
4
Beating outside the body
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Chapter 3
Mapping the flow
1
The misconceptions of Galen
2
The breakthrough in Cairo
3
William Harvey proves the loop
4
The first successful transplant
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Chapter 4
Hearts under pressure
1
The athletic super-pump
2
The broken heart syndrome
3
Shrinking in zero gravity
4
The beat of the unborn
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YOUR GOAL
Master of How the heart works
