👉 The term "cardiacean" is a medical term that refers to the heart's main chambers, which are the two right ventricles. These are the chambers where blood flows from the left side of the body towards the lungs and then back up through the right ventricle. The two main chambers in the heart are: - Right ventricle (also known as the "right atrium") - This is a large chamber located at the top of the lungs. It pumps blood