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Consider the following statements in co...

Consider the following statements in connection with the functions of the blood vessels marked A and B in the diagram of a human heart as shown.

(i) Blood vessel A - It carries carbon dioxide rich blood to the lungs.
(ii) Blood vessel B - It carries oxygen rich blood from the lungs.
(iii) Blood vessel B - Left atrium relaxes as it receives blood from this blood vessel
(iv) Blood vessel A - Right atrium has thick muscular wall as it has to pump blood to this blood vessel
The correct statements are

A

(i) and (ii) only

B

(ii) and (iii) only

C

(ii), (iii) and (iv)

D

(i), (ii) and (iii)

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