A schematic representation of the blood circulation is given. Which of the circulatory parts are incorrectly placed in it?

Right atrium and right ventricle

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Left atrium and left ventricle

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Pulmonary artery and pulmonary veins

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Aorta and vena cava

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Solution

The correct option is D Aorta and vena cava
The correct pathway is: Vena cava $\to$ Right atrium $\to$ Right ventricle $\to$ Pulmonary artery $\to$ Lungs $\to$ Pulmonary veins $\to$ Left atrium $\to$ Left ventricle $\to$ Aorta $\to$ Rest of the body.
Aorta is the main artery that carries oxygenated blood from the left ventricle of the heart towards the other parts of the body.
Vena cava collects deoxygenated blood from the body and pours the blood into the right atrium.
So, the correct answer is option D.

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Similar questions

Q. Match the following chambers of the heart with the respective blood vessels:

	Column A		Column B
$1.$	Right atrium	$a .$	Pulmonary vein
$2.$	Left atrium	$b .$	Aorta
$3.$	Right ventricle	$c .$	Superior vena cava
$4.$	Left ventricle	$d .$	Pulmonary artery

Q. Read the statements and select the option which best describes the process that occurs during systematic circulation.
(i) The left atrium receives the oxygenated blood through the pulmonary veins. The left ventricle pumps the blood through the aorta to various parts and the de-oxygenated blood reaches right atrium.
(ii) The left atrium receives the oxygenated blood through pulmonary veins and pumps the blood through the aorta to various parts and the de-oxygenated blood reaches the right atrium.
(iii) The left atrium receives de-oxygenated blood and pumps into left ventricles which in turn pumps into pulmonary artery for oxygenation.
(iv) The right atrium receives the de-oxygenated blood and pumps into pulmonary artery for oxygenation.

Given below is a highly schematic diagram of the human blood circulatory system.
(a) Which part (state the number) represents the hearts? Give reason ink support of your answer.
(b) Which numbers represent the following respectively?
Aorta Renal vein
Hepatic portal vein Stomach
Pulmonary artery Dorsal aorta
Superior vena cava

Q. Assertion :Pulmonary circulation consists of flow of deoxygenated blood from right ventricle to the lungs and flow of oxygenated blood from lungs to the left atrium. Reason: Systemic circulation consists of flow of oxygenated blood from the left ventricle to all parts of the body and deoxygenated blood from different parts to right atrium.

Q. Which of the following statement(s) wrong with regard to heart?
A. Left atrium receives deoxygenated blood from different parts of the body while right atrium receives deoxygenated blood from the lungs.
B. Right atrium receives deoxygenated blood from different body parts while right ventricle pumps deoxygenated blood to the lungs.
C. Left atrium receives oxygenated blood from lungs while left ventricle pumps oxygenated blood to different parts of the body.
D. Pulmonary vein carries deoxygenated blood to the lungs and pulmonary artery brings oxygenated blood towards the heart.

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