Knowledge Organiser: Harvey and the Circulation of Blood (1628)
This topic summary covers Knowledge Organiser: Harvey and the Circulation of Blood (1628) within Harvey and Circulation for GCSE History. Revise Harvey and Circulation in Medicine Through Time for GCSE History with 8 exam-style questions and 5 flashcards. This topic appears less often, but it can still be a useful differentiator on mixed-topic papers. It is section 14 of 14 in this topic. Use this topic summary to connect the idea to the wider topic before moving on to questions and flashcards.
Topic position
Section 14 of 14
Practice
8 questions
Recall
5 flashcards
Knowledge Organiser: Harvey and the Circulation of Blood (1628)
Key Terms
- Circulation: Blood travels in a continuous loop, pumped by the heart — Harvey's 1628 discovery
- Valves: One-way gates in veins showing blood flows only towards the heart
- Capillaries: Tiny vessels connecting arteries to veins — predicted by Harvey, found by Malpighi (1661)
- De Motu Cordis: Harvey's 1628 publication — "On the Motion of the Heart"
- Galen's theory: Blood made in liver, consumed by organs — disproved by Harvey's calculation
Key Dates
- 1578: Harvey born (trained at Padua — Vesalius's university)
- 1628: De Motu Cordis published — circulation proved
- 1657: Harvey dies — theory not yet fully accepted
- 1661: Malpighi discovers capillaries using improved microscope
- c.1700: Harvey's theory of circulation finally widely accepted
Key People
- William Harvey (1578-1657): Proved blood circulates; used calculation, dissection, experiments
- Marcello Malpighi (1628-1694): Discovered capillaries (1661) — completed Harvey's theory
- Vesalius: Harvey trained in his tradition at Padua — direct observation over ancient texts
Must-Know Facts
- Harvey calculated heart pumps ~260 litres/hour — liver could never produce that much
- Valves in veins only allow blood to flow one way (towards heart) — proved circulation
- Harvey trained at Padua — built on Vesalius's culture of direct observation
- No immediate treatment benefit — doctors still bled patients after 1628
- DCEP: Dissection, Calculation, Experiments, Publication — Harvey's four methods
- Missing capillaries: Harvey predicted them but couldn't see them — Malpighi completed the picture in 1661
- Practical legacy: foundation for blood transfusions — but only possible much later
Cross-Topic Links
- → Topic 36 (Renaissance): Harvey trained at Padua — the same university where Vesalius worked — showing how the Renaissance culture of observation and experiment directly enabled Harvey's discoveries.
- → Topic 41 (Surgery Revolution): Harvey's understanding of circulation was the theoretical foundation for safe blood transfusions; Landsteiner's 1901 blood group discovery finally made that practical benefit real.
- → Topic 33 (Medieval Ideas): Harvey demolished Galen's theory that blood was made in the liver and consumed — completing the Renaissance challenge to medieval authority that Vesalius had begun.
- → Topic 40 (Germ Theory): Like germ theory later, Harvey's discovery changed medical understanding without immediately changing treatments — a recurring pattern in medical history.
- → Topic 47 (War and Medicine): Blood transfusion — made possible by Harvey's foundational understanding of circulation — was developed into a practical technique under the pressure of WW1 casualties.
Common Mistakes
- Saying Harvey "discovered" blood circulation as if it was obvious: He proved it through systematic experiment — measuring heart volume, counting pulse rate, calculating blood flow mathematically — making this a landmark in the history of scientific method, not just anatomy.
- Forgetting that Harvey changed theory but not treatment: Doctors still bled patients after Harvey's discovery — understanding how blood circulates did not immediately suggest that bleeding was harmful; the gap between theory and practice is an important pattern in medical history.
- Confusing Harvey with Vesalius: Vesalius corrected anatomy (structure of the body); Harvey explained physiology (how the body works) — these are distinct contributions from different centuries (1543 vs 1628).
- Not linking Harvey to later developments: Harvey's work was the foundation for blood transfusion (WW1) and safe surgery — always show how a 17th-century discovery had practical consequences much later.
Revise this topic interactively on PrepWise — self-test mode, tap-to-reveal definitions, and Common Mistakes from examiners.
Try the interactive Knowledge Organiser — free →Keep building this topic
Read this section alongside the surrounding pages in Harvey and Circulation. That gives you the full topic sequence instead of a single isolated revision point.
Practice Questions for Harvey and Circulation
In which year did William Harvey publish 'On the Motion of the Heart'?
According to Galen's theory, where was blood produced in the body?
Quick Recall Flashcards
8 questions on Harvey and Circulation — practise free
Instant marking, adaptive difficulty, and 5 spaced repetition flashcards. Free until your GCSEs.
Try PrepWise Free