Which of the following structures are directly involved in the "pulmonary circuit"?

Superior vena cava, right atrium, left ventricle

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Right ventricle, pulmonary arteries, left atrium

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Left ventricle, aorta, inferior vena cava

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Right atrium, aorta, left ventricle

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Solution

The correct option is B
Right ventricle, pulmonary arteries, left atrium

Pulmonary circulation is the portion of the cardiovascular system which carries deoxygenated blood away from the heart, to the lungs, and returns oxygenated (oxygen-rich) blood back to the heart. In the pulmonary circuit, the oxygenated blood leaves the lungs through pulmonary veins, which return it to the left atrium.

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Similar questions

Match the following

Location valve

1) Opening of coronary sinus a) tricuspid valve

2) The base of pulmonary aorta b) bicuspid valve

3) The opening of inferior vena cava c) semilunar valve

4) Bet left atrium and left ventricle d) thebesian valve

5) Bet right atrium and right ventricle e) eustachian valves

\begin{matrix} Column I & Column II 1.Right atrium & i. Receives oxygenated blood from the lungs 2.Left atrium & ii. Passes the blood to aorta 3.Right ventricle & iii. Receives deoxygenated blood from the superior vena cava and inferior vena cava 4.Left ventricle & iv. Passes the blood to lungs through the pulmonary artery \end{matrix}

	Column I		Column II
a.	Tricuspid valve	1	Between left atrium and left ventricle
b.	Bicuspid valve	2	Between right ventricle and pulmonary artery
c.	Semilunar valve	3	Between right atrium and right ventricle

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