Marine Fish Heart Anatomy: How Many Chambers Does a Marine Fish Heart Have?
Marine fish have a heart with two chambers: an atrium and a ventricle. Blood returns from the body to the heart through the sinus venosus. It enters the atrium, which sends blood to the ventricle. The ventricle then pumps the blood through the bulbus arteriosus to the gills for oxygenation. After the gills, the oxygen-rich … Read more