Blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. ... As the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated
Super vena cava Inferior vena cava Right atrium Tricuspid valve Right ventricle Pulmonic valve Pulmonary artery Lungs Pulmonary vein Left atrium Bicuspid valve Left ventricle Aortic valve Aorta Rest of the body
i think it's B. the direction of a reversible reaction is influenced by the concentrations of reactants and products. In pulmonary circulation, the low CO2 concentration fav