The region between the two pleural cavities.
Fibrous membrane that surrounds the heart area. Outer layer of the heart.
Thickest layer composed of cardiac muscle. Middle layer of the heart.
Inner lining of the heart.
Receives blood from the veins of the body.
Receives blood from the right atrium. Pumps blood to the pulmonary arteries.
Separates the right atrium and right ventricle.
Separates the right ventricle and pulmonary trunk.
Receives blood from the pulmonary veins - oxygen-rich blood.
Receives blood from the left atrium, pumps blood to the Aorta.
Separates left atrium and left ventricle.
Separates left ventricle and the Aorta.
Connects two atria and allows blood to enter right side, bypassing the lungs (Fetal Heart).