Giraffes

There are some wonderful designs that help make the giraffe possible. The giraffe has a strong heart to pump blood all the way up to its head and strong arteries to withstand the high blood pressure needed to carry the blood to its head. We have also talked about the giraffe’s so-called “wonder net,” which is a network of blood vessels that helps to stabilize the blood pressure in the giraffe’s head even when it raises and lowers its head.
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