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Does this imply that in order to pump blood at the top of a very long neck you don't necessarily need a stronger heart, but just stronger muscles or thicker blo
by Udik 7y ago
Does this imply that in order to pump blood at the top of a very long neck you don't necessarily need a stronger heart, but just stronger muscles or thicker blood vessels in your legs? In that case the solution to the dinosaurs' problem might be very far from the the heart or the neck.
- mfoy_ 7y agoWell, I don't know about dinosaurs, but horses have small blood pumps in their hooves. So each step helps circulate blood. https://en.wikipedia.org/wiki/Frog_(horse_anatomy) https://en.wikipedia.org/wiki/Frog_(horse_anatomy)