the.com/vasculature

The body's traffic system, with way worse road rage when it clogs.

means The network of blood vessels — arteries, veins, and capillaries — that carries blood through a body or organ.

from Built from Latin vasculum, 'small vessel,' itself a diminutive of vas, 'vessel' or 'container.' Add the suffix -ature (as in 'architecture' or 'temperature') to turn the body part into a whole system, and you get 'vasculature' — coined in modern medical Latin to describe not just one vessel but the entire plumbed network of them.

total length
about 60000 miles of vessels per adult
capillaries
so thin red blood cells pass single file
not just blood
plants and insects have vasculature too
design flaw
veins rely on muscles, not a pump, to return blood
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