'A 25-pound heart helps pump  the blood to its head, 15 feet off the ground'
a giraffe
NATURE: A 25-pound heart helps pump  the blood to its head, 15 feet off the ground
A 25-pound heart helps pump  the blood to its head, 15 feet off the ground
A 25-pound heart helps pump  the blood to its head, 15 feet off the ground
NATURE
a giraffe
NATURE