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
Lung
Videos
The lungs are the primary organs of the respiratory system in many animals, including humans. In mammals and most other tetrapods, two lungs are located near the backbone on either side of the heart.
The human lungs flank the heart and great vessels in the chest cavity.
Chest CT (axial lung window)
Chest CT (coronal lung window)
Cross-sectional detail of the lung