Question

which type of heart is get animals​

Answer 1

Answer:

Human hearts, like those of all mammals, as well as birds, have four chambers. The heart's “thump-thump” sound is the four valves opening and closing as they pump blood. But frog hearts have three chambers — two atria and one ventricle (you can actually see how it works in a glass frog)....

Answer 2

Explanation:

Human hearts, like those of all mammals, as well as birds, have four chambers. The heart's “thump-thump” sound is the four valves opening and closing as they pump blood. But frog hearts have three chambers — two atria and one ventricle (you can actually see how it works in a glass frog).