Blood starts off in the Right Atrium. At this point it is not carrying any oxygen. It is then pumped into the Right Ventricle, which sends it to the lungs. After receiving oxygen i nthe lungs the blood returns to the heart to the Left Atrium, which pumps it into the Left Ventricle, which pumps it throughout the body.
The lamprey's heart consists of two chambers
A shark heart has two chambers.
the human heart contains four chambers and it is the ventricles (the two lower chambers) that do the pumping
There are four chambers in the human heart. There are two atria (the two upper chambers) and two ventricles (the two lower chambers).
The heart of fish have two chambers. The heart of reptiles and amphibians have three chambers. The heart of mammals have four chambers.
A perch has two chambers in it's heart.
The sharks heart has two chambers.
the upper chambers of the heart are called the right and left atrium and they are the receiving chambers of the heart
The two top chambers of the heart are called the right and left auricle respectively
The upper two chambers of the heart are the right atrium or auricle, and the left atrium or auricle.
Clams have the most complex heart of the mollusks, with 3 chambers.
A tadpole has two heart chambers.