left atrium of the heart
The heart is the organ that receives blood from the veins and pumps it into the arteries.
The left atrium receives oxygenated blood from the pulmonary veins
The Right Atrium of the heart receives blood from the systemic veins.
the brachial vein receives blood for the ulnar and radial veins.
The heart receives blood from the lungs on the left side through the Pulmonary Veins.
The bodies veins.
the aorta
Right auricle which receives deoxygenated blood from all parts of the body from veins.
The left atrium receives the blood carried from the pulmonary veins.
heart
That is the Heart.
Sinus venosus is formed by the union of 2 post caval veins and 1 precaval vein. The sinus venosus receives deoxygenated blood and passes it into auricle in case of fishes and into right auricle in case of amphibians and reptiles.