Architecture of the Circulation, Dr. D. Penney
Total surface area of capillaries in the adult human - 6300 sq. meters! Larger than a baseball infield.
Time it takes 1 ml of blood to flow through a single capillary - 1 year & 8 mos! The time for 1 mm3 to flow is 14 hours.
Note: There are 1000 mm3 in 1 cm3
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