What Part Of The Heart Has The Thickest Walls. The heart chamber with the thickest muscle wall is the left ventricle. The heart has four chambers, two upper atria, the receiving chambers, and two lower ventricles, the discharging chambers.
It is located below the strongest part of the ribcage and cushioned.
Tubes called blood vessels carry it from the heart to all parts of the this squeezes the heart between the breast bone and forces blood out the heart into the circulation. It has strong attachment with the diaphragm below and it merges with the walls of great blood vessels like. The left ventricle wall is thicker than the right because it pumps blood around the body while the right pumps blood to the lungs, located close to the heart. F) the part of the thoracic cavity that lies between the 5.