The major vein that leads into the right atrium is the vena cava.
The superior vena cava carries deoxygenated blood from the upper part of the body into the right atrium.
The inferior vena cava carries deoxygenated blood from the lower part of the body into the right atrium.
Superior Vena Cava
vena cava
The vena cava.
It's a major vein leading to the right atrium of the heart
Depends on which atria you are asking about. Blood enters the right atrium from the vena cava and the left atrium from the pulmonary vein.
The vein that transports oxygenated blood to the right atrium of the heart is the pulmonary vein. It carries freshly oxygenated blood from the lungs back to the heart for circulation to the rest of the body.
pulmonary vein
th blood vessel that goes to the right atrium is cava
capillaries of small intestine; superior mesenteric vein; hepatic portal vein; liver sinusoids; hepatic vein; inferior vena cava
right atrium -> right ventricle -> pulmonary artery -> pulmonary vein -> left atrium -> left ventricle -> aorta
pulmonary vein
pulmonary vein