Assertion: Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs.
Reason: Right atrium receives deoxygenated blood from different parts of the body while the left ventricle pumps oxygenated blood to different parts of the body.

Both A and R are true and R is the correct explanation of A.

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Both A and R are true but R is not a correct explanation of A

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A is true but R is false

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A and R are false

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Solution

The correct option is B Both A and R are true but R is not a correct explanation of A
The heart’s four chambers are:

a) Right atrium: This chamber receives oxygen-depleted blood returning from the body and pumps it into the right ventricle.

b) Right ventricle: The right ventricle pumps blood from the right atrium to the pulmonary artery that sends the deoxygenated blood to the lungs, where it picks up oxygen.

c) Left atrium: This chamber receives oxygenated blood from the lungs and pumps it to the left ventricle.

d) Left ventricle: The thickest of all the chambers, the left ventricle is the difficult working part of the heart as it pumps blood throughout the whole body.
Therefore A and R are true, but R is not a correct explanation for A.

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Similar questions

Q. Which of the following statement (s) is (are) true about heart?
(i) Left atrium receives oxygenated blood from different parts of the body while right atrium receives deoxygenated blood from lungs.
(ii) Left ventricle pumps oxygenated blood to different body parts while right ventricle pumps deoxygenated blood to lungs.
(iii) Left atrium transfers oxygenated blood to right ventricle which sends it to different parts of the body.
(iv) Right atrium receives deoxygenated blood from different parts of the body while left ventricle pumps oxygenated blood to different parts of the body.

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.

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. Match the chambers of the human heart in Column A to its function in Column B.

\begin{matrix} C o l u m n A & C o l u m n B (i) R i g h t a t r i u m & (a) P u m p s d e o x y g e n a t e d b l o o d t o l u n g s (i i) L e f t a t r i u m & (b) R e c e i v e s o x y g e n a t e d b l o o d f r o m l u n g s (i i i) R i g h t v e n t r i c l e & (c) P u m p s o x y g e n a t e d b l o o d t o t h e b o d y (i v) L e f t v e n t r i c l e & (d) 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 b o d y \end{matrix}

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

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Assertion: Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs. Reason: Right atrium receives deoxygenated blood from different parts of the body while the left ventricle pumps oxygenated blood to different parts of the body.

Assertion: Left ventricle pumps oxygenated blood to different body parts while the right ventricle pumps deoxygenated blood to the lungs.
Reason: Right atrium receives deoxygenated blood from different parts of the body while the left ventricle pumps oxygenated blood to different parts of the body.