Branchial heart
Videos
Branchial hearts are accessory pumps that supplement the action of the systemic heart in a cephalopod's body. They are myogenic in nature. Branchial hearts are always in pairs located at the base of t
Ventral view of the viscera of Chtenopteryx sicula, showing the presence of the branchial hearts.
Heart
Videos
The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels. The heart and blood vessels together make up the circulatory system. The pumped blood
Heart being dissected showing right and left ventricles, from above
With the atria and major vessels removed, all four valves are clearly visible.
Frontal section showing papillary muscles attached to the tricuspid valve on the right and to the mitral valve on the left via chordae tendineae.
Layers of the heart wall, including visceral and parietal pericardium