Which microscopic blood vessels, discovered by Marcello Malpighi in 1661, finally connected arteries to veins?
Chapter 1

The four-chambered engine

Chapter 2

The spark of life

Chapter 3

Mapping the flow

Chapter 4

Hearts under pressure

YOUR GOAL

Master of How the heart works

Ch 3 · Mapping the flow
artiteacher

artiteacher William Harvey proves the loop

Jul 11

artiteacher

artiteacher Mapping the flow

Hundred thousand beats, / Pumping the river, / Sixty thousand miles!

Jul 10

artiteacher

artiteacher The breakthrough in Cairo

Jul 11

artiteacher
William Harvey proves the loop

artiteacher In 1628, English physician William Harvey published the definitive proof that blood circulates in a closed loop.

Jul 10

artiteacher
The breakthrough in Cairo

artiteacher In the 13th century, physician Ibn al-Nafis correctly described how blood flows through the lungs.

Jul 10

artiteacher
Heartbeat Highway
BETA

artiteacher Steer blood cells through the circulatory highway to discover how the heart pumps life.

Jul 10

artiteacher
Fun Fact

Ancient heart ideas: Ancient Egyptians believed the heart, not the brain, was the center of human intelligence, memory, and emotion.

Jul 10

artiteacher
Glossary
circulation (noun)
The movement of blood through the vessels of the body induced by the pumping action of the heart. In 1628, physician William Harvey proved that blood flows continuously through this closed loop.

Jul 10

artiteacher
Gossip

Which medical pioneer had the hardest job?

Jul 10

artiteacher
Quiz

What did the ancient Greek physician Galen incorrectly believe about how blood behaved?

Jul 10

artiteacher

artiteacher The misconceptions of Galen

Jul 11

artiteacher
Quiz

Which microscopic blood vessels, discovered by Marcello Malpighi in 1661, finally connected arteries to veins?

Jul 10

artiteacher

artiteacher The first successful transplant

Jul 11

artiteacher
Quiz

Which ancient civilization preserved the heart during mummification because they believed it held the soul?

Jul 10

artiteacher
Quiz

Which 13th-century Cairo physician first described pulmonary blood circulation?

Jul 10

artiteacher
Quiz

In what year did William Harvey publish his groundbreaking book proving blood circulates in a loop?

Jul 10

artiteacher
Quiz

What major medical hurdle did early heart transplant surgeons have to overcome to prevent organ rejection?

Jul 10

artiteacher
Quiz

Where did surgeon Christiaan Barnard perform the first successful human heart transplant in 1967?

Jul 10

artiteacher
Quiz

What calculation did William Harvey use to prove blood must be recycled in the body?

Jul 10