As the heart pumps, the arteries carry oxygen-rich blood (shown in red) away from the heart and toward the body's tissues and vital organs. ... <看更多>

SUMMARY 1. Deoxygenated blood enters right atrium through Superior and Inferior Vena Cava 2. Blood enters right ventricle through tricuspid ... ... <看更多>

Blood Flow in the Human Body. 291,957 views291K views. Sep 11, 2014. 839. Dislike. Share. Save. Forsyth Tech CTL. Forsyth Tech CTL. ... <看更多>