By Carrie Williford | November 28, 2021
Just the one! Despite how big the giraffe is, they only have one heart.
How does a giraffe’s heart fight gravity to get blood all the way up to the brain? A giraffe has very high blood pressure — twice as high as humans! 2
The right ventricle pumps blood solely to the giraffe’s lungs. That leaves the left ventricle to pump blood everywhere else, including to the brain. The trick is that the left ventricle has a very thick muscular wall which enables it to pump blood with more force than other mammals’ hearts. 3