![](http://www.alamy.com/thumbs/6/D2B3D8E8-4DE5-4E69-9B28-BA8F7BE5710F/D3HNGB.jpg)
HEART, ILLUSTRATION
The heart is the motor organ of the blood circulation. Its muscle, the myocardium, contracting under the nerve influx, propulse the blood in the body. It is composed of 4 cavities, 2 atria and 2 ventricles. Each ventricle has its corresponding atrium. They communicate through valvular orifices. The heart is divided in 2 parts, the blood depart from the right heart, goes through the lungs and comes back towards the left heart.
Size: 2405px × 3630px
Photo credit: © SGO / BSIP / Alamy / Afripics
License: Licensed
Model Released: No
Keywords: anatomical, anatomy, aortic, apparatus, apparatuses, arch, arches, arteria, arterial, arteries, arterio, artery, atria, atrial, atrium, blood, bloodstream, cardiac, cardio, cardio-vascular, cardiovascular, cava, cavae, circulation, circulatory, flow, heart, hearts, illustration, inferior, muscle, muscles, myocardia, myocardial, myocardium, normal, pathology, pulmonalis, pulmonary, superior, system, systems, truncus, trunk, trunks, vascular, vascularisation, vascularization, vasculature, vein, veined, veins, vena, venae, venous, ventricle, ventricles, ventricular, vessel, vessels