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
artiteacher The vast red highway
Through the red highway, (oh yeah!) / One full loop in twenty seconds! (twenty seconds!)
Vessel length: If unraveled, the blood vessels of a single adult could circle the Earth's equator approximately four times.
The main artery of the body, supplying oxygenated blood to the circulatory system. William Harvey first demonstrated in 1628 how this primary vessel distributes blood throughout the human body.
What is the largest artery in the human body, roughly the thickness of a garden hose?
Which type of blood vessel is responsible for carrying blood away from the heart under high pressure?
What protein fiber allows large arteries to stretch and snap back with every heartbeat?
What structural feature do veins have that prevents blood from flowing backward due to gravity?
Which muscle group acts as an external pump to help push vein blood back up to the heart?
Approximately how long is the combined network of blood vessels in a fully grown human adult?