Which of the following sequences is the correct systemic circulation pathway?

Right ventricle → pulmonary aorta → tissues → pulmonary veins → left auricle

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Left auricle → left ventricle → aorta → arteries → tissues → veins → right atrium

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Left auricle → left ventricle → pulmonary aorta → tissues → right auricle

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Right auricle → left ventricle → aorta → tissues → veins → right auricle

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Solution

The correct option is B
Left auricle → left ventricle → aorta → arteries → tissues → veins → right atrium

Systemic circulation carries oxygenated blood from the left ventricle, through the arteries, to the capillaries in the tissues of the body. From the tissue capillaries, the deoxygenated blood returns through a system of veins to the right atrium of the heart.

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Similar questions

Given below is a set of five terms. Arrange and rewrite each set of terms in the correct order to be in a logical sequence.
(i) Water molecules, oxygen, grana, hydrogen and hydroxyl ions, protons.
(ii) Right auricle, left ventricle, vena cava, pulmonary vein, lungs, right ventricle, pulmonary artery, aorta, left auricle
(iii) Graafian follicle, oviducal funnel, fallopian tube, ovum uterus
(iv) Metaphase, telophase, prophase, anaphase , interphase
(v) Spongy cell, upper epidermis, stoma, palisade tissue, sub-stomatal space

Q. Match the terms given in Column I with terms in Column II:

Column I	Column II
(i) Left-auricle	(a) Clotting
(ii) Right auricle	(b) Thebasius value
(iii) Left ventricle	(c) Pulmonary vein
(iv) Right-ventricle	(d) Aorta
(v) Fibrin	(e) Pulmonary arch

Match the parts of the heart in Column I with the direction of flow of blood in Column II
$\begin{matrix} C o l u m n I & C o l u m n I I (i) R i g h t V e n t r i c l e & (a) P u m p s d e o x y g e n a t e d b l o o d i n t o t h e p u l m o n a r y a r t e r y (i i) P u l m o n a r y V e i n s & (b) T a k e s d e o x y g e n a t e d b l o o d (i i i) L e f t A t r i u m & (c) R e c e i v e s b l o o d f r o m d i f f e r e n t p a r t s o f t h e b o d y . (i v) P u l m o n a r y A r t e r i e s & (d) B r i n g o x y g e n a t e d b l o o d f r o m l u n g s t o t h e h e a r t . (v) L e f t V e n t r i c l e & (e) P u m p s b l o o d i n t o t h e a o r t a . (v i) R i g h t A u r i c l e & (f) R e c e i v e s d e o x y g e n a t e d b l o o d f r o m t h e p u l m o n a r y v e i n s . \end{matrix}$

Q. The heat pumps blood to the pulmonary and aortic arches. For this to happen, the four chambers of the heart have to contract in a definite sequence. What is the sequence in which the contraction takes place?
(a) Left ventricle
(b) Right auricle
(c) Right ventricle
(d) Left auricle

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

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