〰️➕〰️➡️🫀

#vena cava #sniev #heart connection #wolf doolb #circulation #blood vessels

🟦🩸📥🫀

#vena cava #blue blood #heart input #venous return #deoxygenated blood #right atrium #blood circulation

❤️📥🩸

#atrium #heart anatomy #heart chamber #receiving blood #vena cava #pulmonary veins

🟦🩸➡️🫀

#vena cava #deoxygenated blood #blood return #vein #right atrium

🧍➡️🟦🩸➡️🫀

#vena cava #systemic circulation #blood return to heart #deoxygenated blood flow

🩸📥➡️🫀

#deoxygenated blood #vena cava #systemic circulation return #heart chamber #blood receiving chamber #cardiac input