4. Correctly match the term with the correct order of blood flow through the heart. (9 marks) Deoxygenated blood in the ________, ________ and the ________ enters the ________ of the heart. The blood passes through the ________ and into the ________. The deoxygenated blood is then pumped through the ________ into the ________ which branches into the ________ and ________ delivering the deoxygenated blood to the ________. After being oxygenated, the blood re-enters the heart through the ________ which empty into the ________. Then the blood flows through the ________ into the ________. From here, blood is ejected through the ________ into the ________ before entering the ________ and finally the systemic circulation. a. Superior vena cava b. Inferior vena cava c. Right atrium d. Left atrium e. Lungs f. Pulmonary veins g. Left pulmonary artery h. Right pulmonary artery i. Right atrioventricular (tricuspid) valve j. Mitral valves. k. Ascending aorta l. Aortic arch m. Aortic semilunar valve n. Pulmonary semilunar valve o. Left ventricle p. Right ventricle q. Coronary sinus r. Pulmonary trunk
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Route of Blood Flow Through the Heart Using the terms provided, complete the following statements: Aortic semilunar valve Pulmonary veins Bicuspid (mitral) valve Right atrium Left atrium Right ventricle Pulmonary arteries Systemic circulation Pulmonary semilunar valve Tricuspid valve Pulmonary trunk Blood flows into the right atrium from the (1), which returns blood from all the tissues of the body. Blood then flows into the (2), which completes filling as the right atrium contracts. Contraction of the right ventricle pushes blood against the (3), which closes, and the (4), which opens, thus allowing blood to enter the (5). The (6) carry blood to the lungs, where carbon dioxide is released, and oxygen picked up. Blood returning from the lungs enters the (7) through the four (8). Blood passing from the left atrium to the left ventricle opens the (9), and contraction of the left atrium completes filling of the left ventricle. Contraction of the left ventricle opens the (10) allowing blood to enter the aorta.
Madhur L.
Order the blood flow through the heart starting with blood being in the vena cava blood enters the right ventricle blood flows into aorta into the systemic circuit contraction of the right ventricle forces the right AV valve shut and the pulmonary valve open blood flows into pulmonary veins blood flows through opening of the right AV valve blood is oxygenated at capillary beds in lung alveolar tissues deoxygenated blood enters the right atrium contraction of the ventricles (left) forces the left AV valve to close and the aortic valve to open blood flows through opening of left AV valve blood flows to pulmonary arteries to lungs oxygenated blood enters the left atrium blood enters the left ventricle
Adi S.
Which of the following lists the valves in the order through which the blood flows from the vena cava through the heart? a. tricuspid, pulmonary semilunar, bicuspid, aortic semilunar b. mitral, pulmonary semilunar, bicuspid, aortic semilunar c. aortic semilunar, pulmonary semilunar, tricuspid, bicuspid d. bicuspid, aortic semilunar, tricuspid, pulmonary semilunar
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