The right ventricle pumps the blood to the lungs, where the blood releases waste gases and picks up oxygen. The newly oxygen-rich blood (shown in red) returns to the heart and enters the left atrium.

Vital organs like the heart, gut and brain have a strong, influential relationship with emotions and how they manifest.

"Early on, there was some evidence the virus was damaging the heart, causing an increased risk ... then targets the lungs. Cells in the lungs and blood vessels contain an abundance of ACE2 ...

Medically reviewed by Maria M. LoTempio, MD A heart-lung machine is a piece of medical equipment that temporarily takes over ...

The right-hand side of the heart is responsible for pumping deoxygenated blood to the lungs. The left-hand side pumps oxygenated blood around the body. Each side of the heart consists of an atrium ...

Scientists say they have identified genes that cause a deadly heart condition that can only be cured by transplants of the heart or lungs. Pulmonary arterial hypertension kills 50% of those ...