The human circulatory system
The engine of life
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The vast red highway
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The river of life
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Pioneers of the pulse
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Keeping the beat
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YOUR GOAL
Master of The human circulatory system
Stethoscope origin: The stethoscope was invented because a French doctor felt too embarrassed to press his ear directly to a young woman's chest.
The rhythmic throbbing of the arteries as blood is propelled through them by the contraction of the heart. In 1707, physician John Floyer invented a specialized watch to precisely measure this arterial rate.
In which year did William Harvey publish his groundbreaking book proving that blood circulates in a closed loop?
Which organ did ancient medical systems before the 17th century falsely believe was the source of all blood production?
Which 13th-century Syrian physician first described how blood flows through the lungs, correcting ancient anatomical errors?
Which ancient Greek physician proposed the incorrect theory that blood flowed back and forth like tides and was consumed by tissues?
What is the Latin title of William Harvey's famous 1628 treatise on the motion of the heart and blood?
What mathematical argument did William Harvey use to prove blood must circulate rather than be constantly produced?