|search Mr. R.'s world of math and science free and accessible educational resources for all|
An ant staring up,
The giraffe is native only to Africa and is the tallest animal in the world. It can be almost 20 feet in height (6 m) with males weighing up to 2600 pounds (1,200kg).
A giraffe's heart has to be huge to pump blood all the way up to its head. That said, a giraffe's heart can weigh up to 22 pounds (10kg) (In comparison, the average human heart weighs less than one pound).
Giraffes feed on twigs and leaves, especially those of the Acacia tree. Their long necks enable them to reach parts of the tree that other animals cannot get to.