right ventricle left ventricle right atrium left atrium
Mammals and birds have four-chambered hearts.
four chambers
Dolphins have a four-chambered heart.
Birds have four chamber heart!
Well, both birds and mammals have four heart chambers. So, there is your answer!
The organ is the heart.
A spider monkey has four chamber like the human heart
The bald eagle, a bird, has a four-chambered heart, as do all other birds and mammals.
4 2 ventricles and 2 atriums.
Crocodiles are reptiles not amphibians.
there are four chambers in the heart. two are atriums and two are ventricles
right atrium,left atrium.right ventricle and left ventricle