-. After returning from the body, deoxygenated blood is carried back to the heart by the ____ and enters the ____. ? pulmonary veins/left atrium ? pulmonary artery/left atrium ? aorta/left ventricle ? vena cava/right atrium
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Step 1: Deoxygenated blood from the body returns to the heart through the vena cava. Show more…
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Through the pulmonary circuit, deoxygenated blood leaves through the pulmonary arteries, and oxygen-rich blood returns to the heart through the pulmonary veins.
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Deoxygenated blood from the body returns to the heart through the superior and inferior vena cava and enters the atrium. After going through the valve, it enters the right ventricle. Blood leaves the heart on its path to the lungs through the pulmonary valve, which leads to the right and left pulmonary arteries.
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Venous blood enters the heart from the superior vena cava and inferior vena cava, as well as the coronary sinus, which converge into the right atrium. From there, blood passes through the right atrioventricular valve and enters the right ventricle. The venous blood passes through the pulmonary valve and from there branches off into the left pulmonary artery and right pulmonary artery before circulating through the lungs. After being oxygenated, the blood re-enters the heart through the pulmonary veins, which converge into the left atrium. Then the blood flows through the mitral valves into the left ventricle. From here, blood is ejected through the aortic valve into the ascending aorta before entering the arch of the aorta and finally systemic circulation.
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