Tang Rui suddenly felt his blood flow from the left atrium through the mitral valve to the left ventricle, then through the aortic valve to the aorta, circulating through his body and entering the veins, passing through the superior and inferior vena cava to return to the right atrium, flowing through the tricuspid valve to the right ventricle, and finally, after passing through the pulmonary circulation, returning to the left atrium through the four pulmonary veins.
Webnovel 
Author is educated, but now I think those authors who always calculate wrong is better. at least we understand what those sentences were supposed to say.😅
Tang Rui suddenly felt his blood flow from the left atrium through the mitral valve to the left ventricle, then through the aortic valve to the aorta, circulating through his body and entering the veins, passing through the superior and inferior vena cava to return to the right atrium, flowing through the tricuspid valve to the right ventricle, and finally, after passing through the pulmonary circulation, returning to the left atrium through the four pulmonary veins.
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