The earthworm has five pairs of hearts, which would make a total of ten.
Earthworms have five pairs of hearts that pump blood throughout their bodies. They also have no lungs! (:
There are actually 5 hearts in an earthworm. Correction: They technically aren't hearts they are considered aortic arches
Mammals have 4-chambered hearts and one pair (2 total) of lungs.
The Five of Hearts was created in 1911.
Fish and worms have hearts, no lungs. So does a deck of cards.
We DON'T have five hearts! We only have one!
Pentacardial means having five hearts. Earthworms have five hearts.
Five hearts
yes, the hearts atria is bigger because its leads out the body from the lungs.
octupus have 3 hearts
They have enlarged hearts and lungs