vena cava -> right atrium-> through the right atrioventricular valve -> right ventricle -> through the Plumonary semi-lunar valve -> Plumonary trunk -> out the pulmonary artery -> lungs -> pulmonary veins -> left artrium -> through the left atrioventricular valve -> left ventricle -> through the aortic valve -> aorta -CB
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Vena cava -> right atrium -> right ventricle -> pulmonary arteries -> lungs (arterioles-capillaries:gas exchange-venules) -> pulmonary veins -> left atrium ->left ventricle -> aorta.
A. For health and survival, it's critical for blood circulation to be ongoing and uninterrupted.
Lungs, pulmonary veins, left atrium, atrioventricular valve, left ventricle, aortic valve, aorta
From the vena cava, blood travels into the right atrium, then the right ventricle. The right ventricle pumps the blood through the pulmonary arteries to the lungs. The pulmonary vein carries the oxygenated blood back to the left atrium. The blood flows from the left atrium into the left ventricle which pumps the blood through the aorta and to the rest of the body.
The general blood flow path is from the aorta to the heart. The blood will then leave the heart and flow throughout the rest of the body. This path of blood happens every time the heart beats.
From mitral valve the blood will go to left ventricle. From there, the blood will go to ascending aorta. Then arch of aorta. Then descending aorta. Then abdominal aorta. Then to common iliac artery. then to external iliac artery. Which continue as the femoral artery. Then popliteal artery. Then posterior tibial artery. Then medial and lateral planter arteries. Then the branches will go to your great toe.
Blood enters the heart through the superior and inferior vena cava. These two paths dump deoxygenated blood into the right atrium. Blood passes from the right atrium through the tricuspid valve into the right ventricle. The right ventricle contracts and forces the blood through the pulmonary semilunar valve into the pulmonary arteries. The blood moves into the lungs and gas exchange occurs, oxygenating the blood. The blood then moves through the pulmonary vein, emptying into the left atrium. The oxygenated blood then passes through the bicuspid valve into the left ventricle. The left ventricle contracts and forces the blood out through the aortic semilunar valve and into the aorta. The aorta is the bodies largest artery and blood is distributed to smaller arteries and out to the entire body (except the lungs). Remember simply: Body -> Vena Cava -> Right Atrium -> Tricuspid Valve -> Right Ventricle -> Pulmonary Semilunar Valve -> Pulmonary Artery -> Lungs -> Pulmonary Vein -> Left Atrium -> Bicuspid (Mitral) Valve -> Left Ventricle -> Aortic Semilunar Valve -> Aorta -> Body If you can remember this, remembering heart anatomy and understanding how the heart works is very simple.
The drop of blood would move from the small intestine into the superior mesenteric vein, through the hepatic portal vein, to the liver, then hepatic veins, into the inferior vena cava and then into the right atrium.