All deoxygenated blood returning to the heart from the systemic circulation first flows into the:?

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a) right atrium
b) right ventricle
c) coronary sinus
d) sinus venosus

2006-11-26 03:13:32 · 2 answers · asked by Anonymous in Health ➔ Diseases & Conditions ➔ Other - Diseases

To the right atrium via the superior and inferior vena cavae.

2006-11-26 03:16:36 · answer #1 · answered by finaldx 7 · 0⤊ 0⤋

The right atrium.

The right side of the heart pumps blood to the lungs. It then returns to the left side of the heart to go to the rest of the body.

2006-11-26 11:37:01 · answer #2 · answered by Pangolin 7 · 0⤊ 0⤋