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The human circulatory system
5 chapters
70 assets
by teacher · 10 jul 2026
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Chapter 1
The engine of life
1
The muscular pump that never rests
2
Four chambers of a perfect maze
3
The natural spark plugs in your chest
4
The physical power of a single beat
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Chapter 2
The vast red highway
1
Sixty thousand miles of inner tubing
2
Arteries that withstand high pressure flows
3
Veins and their gravity defying valves
4
Capillaries where the real work happens
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Chapter 3
The river of life
1
Red blood cells and their iron lungs
2
White blood cells on active patrol
3
Platelets and the art of clotting
4
The yellowish ocean called plasma
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Chapter 4
Pioneers of the pulse
1
Ancient winds and spirits in the veins
2
Ibn al-Nafis and the lung connection
3
William Harvey proves the circle of blood
4
The invention that brought the heartbeat to light
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Chapter 5
Keeping the beat
1
The blue whale and the hummingbird
2
How exercise remodels your pump
3
The floating heart in outer space
4
Deep sea divers and the mammalian dive reflex
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YOUR GOAL
Master of The human circulatory system
