The blood enters through the superior and inferior vena cava.
Oxygenated blood from the lungs enters the left atrium. The blood then moves from there to the left ventricle, aorta, and on the rest of the body.
No, that is not right. Blood entering the right atrium comes from the Superior and Inferior Vena Cavas.
Blood that comes in to the right atrium comes from the pulmonary vein.
capilaries
The superior vena cava carries blood from the upper half of the body to the heart, while the inferior vena cava carries blood from the lower half of the body to the heart, both entering into the right atrium, these are both veins.
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The Superior and inferior vena cava.
blood first enters the heart through the right atrium.
vena cava (superior and inferior)
coronary sinus
Veins, specifically the vena cava, enters the right atrium of the heart.
The answer to your questions is the superior and inferior vena cava.
The left ventricle.
coronary sinus