The hert or hairt is an organ fund in aw vertebrates. It is a gey strang muscle, aboot the size o a nieve. It pumps bluid throu tubes cried bluid vessels. Its raiglar contractions, or whan the hert thrimmles on the bluid oot intae ither pairts o the bouk.

Hert
The hert is locatit at the centre o the chest. The muscle mass is greater on the left side an the apex o the hert is pyntit slichtly tae the left.
Anatomical illustration o a human hert
Details
SystemCirculatory
ArteryRight coronary artery, left coronary artery, anterior interventricular artery
VeinSuperior vena cava, inferior vena cava, richt pulmonary veins, left pulmonary veins
Identifiers
Laitincor
Greekkardía (καρδία)
MeSHA07.541
Dorlands
/Elsevier
Heart
Anatomical terminology