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Giraffes - 192 pcs - Good Luck Minis

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Original price $65.00 - Original price $65.00
Original price
$65.00 - $65.00
Current price $65.00
SKU 342622


Having such a long neck could really be a pain. Fortunately, Giraffes have some pretty amazing features in their design. First, the Giraffe’s heart has to work hard to pump blood all the way up its neck to reach the brain, but when a Giraffe stoops down to drink, all that blood should just rush to its head. Instead, the Giraffe has valves that close when it lowers its head, keeping the blood flow minimal. Just one valve stays open, allowing a small amount of blood to reach the brain, just enough that the animal isn’t dizzy when it straightens up again. We still don’t understand exactly why Giraffes have their long necks or what advantage it gives them, but they certainly make the best of their physiology.

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