What is Special about a Giraffes Heart? + more videos |

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Giraffe is the world’s tallest animal. Its neck is almost 6 feet long. This means a giraffe’s brain is six feet above its heart, making it difficult to pump blood to the brain against gravity.

Now, the special thing about giraffe’s heart is that it remarkably pumps blood all the way to the brain, overcoming the gravity.

Do you know how?

Giraffes’ have a big heart with thick walls. It can weigh up to 25 pounds. That is equal to 50 human hearts. Due to this big heart and thick walls, a giraffe’s blood pressure can be two times higher than human beings, helping it defy gravity and pump blood to the brain.