Agnatha, such as lampreys and hagfish, have a two-chambered heart. The heart consists of an atrium and a ventricle, which pump blood through the circulatory system.
4
No, not all animals have the same number of chambers as humans.
Maybe your mean four chambers?
some only have three chambers
i think it is 4 chambers in the Human Heart
some only have three chambers
4 heart chambers
The heart of fish have two chambers. The heart of reptiles and amphibians have three chambers. The heart of mammals have four chambers.
No. The lower chambers of the heart are called the ventricles. The atria are the top chambers of the heart.
There are 4 chambers to the heart.
Their are 2 heart chambers.