I cant make sense of it in my head.
In: 4
If you take a stack of printer paper ( 500 sheets ) and just place each sheet (21×29.7cm) end to end using it’s longer side ( 29.7cm times 500 sheets ) you’re going to get a sheet of 21cm by 14,850cm (148meters), that’s about two-thirds as tall as the Golden Gate Bridge.
When you look at stack of 500 paper you wouldn’t probably intuitively assume that it’s that long if you place each sheet end to end. Same goes for blood vessels. If you just put everything end to end, each ramification and so forth, you’re going to get something really long.
Another way to imagine is taking each branch/twig/root/etc of a tree and just lay it out in a straight line. It’s going to be longer than what you’d initially think it would be.
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