Question

11.
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.
А
-->B
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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
by (ii)
and (iii) only
(c) (ii), (ii) and (iv)
(a) (i), (ii) and (iii)
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Answer 1

Answer:

a) (I) and (ii) correct

Explanation:

(i) Blood vessel B It carries oxygen rich blood from the lungs.

(ii) Blood vessel B – Left atrium relaxes as it receives blood from this

blood vessel