The right atrium gathers deoxygenated blood from the superior and inferior vena cava veins returning to the heart.
The right atrium is the heart chamber that gathers deoxygenated blood returning to the heart from the superior and inferior vena cava veins. Deoxygenated blood from the body enters the right atrium from these two major veins, indicating that the right atrium is responsible for collecting this blood.
https://brainly.com/question/43089360