Maybe it got it's names from the people who discovered and it relates to where the chamber pumps blood to.
they are the right and left ventricle
Clams have the most complex heart of the mollusks, with 3 chambers.
The heart.
The lamprey's heart consists of two chambers
heart
The heart only has 2 chambers one in the upper part and one in the lower part!
There are four chambers of the heart, the right atrium, left atrium, right ventricle, and left ventricle.
Amphibians have three chambers in the heart: Two atria and one ventricle
The heart of a skate is a one way tube. The skate's tubal heart is divided into the typical four chambers.
There are four chambers in a cow's heart. A cow's heart works just like a human's heart, as is with most other mammals.
i think it is 4 chambers in the Human Heart
It can sometimes be referred to as an auricle. It means both the right and left atrium (the upper chambers of the heart). Hope this helps.