Heart

Organ found in humans and other animals

Heart

An illustration of the anterior view of the human heart

SystemCirculatoryArteryAorta,[a] pulmonary trunk and right and left pulmonary arteries,[b] right coronary artery, left main coronary artery[c]VeinSuperior vena cava, inferior vena cava,[d] right and left pulmonary veins,[e] great cardiac vein, middle cardiac vein, small cardiac vein, anterior cardiac veins[f]NerveAccelerans nerve, vagus nerveLatincorGreekκαρδία (kardía)MeSHD006321Anatomical terminology

The heart is a muscular organ found in humans and other animals. This organ pumps blood through the blood vessels.[1] The heart and blood vessels together make the circulatory system.[2] The pumped blood carries oxygen and nutrients to the tissue, while carrying metabolic waste such as carbon dioxide to the lungs. In humans, the heart is approximately the size of a closed fist and is located between the lungs, in the middle compartment of the chest, called the mediastin...