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Subject :NSO    Class : Class 7

Pulmonary _______ carries _______ rich blood from the heart to the lungs and pulmonary _______ carries _______ rich blood from the lungs to the heart.
Select the option that correctly fills up the blank spaces in the above passage.

A Vein, Carbon dioxide, Artery, Oxygen
B Vein, Oxygen, Artery, Carbon dioxide
C Artery, Carbon dioxide, Vein, Oxygen
D Artery, Oxygen, Vein, Carbon dioxide


Ans 1:

Class : Class 10
Option C

Ans 2:

Class : Class 10
Option C

Ans 3:

Class : Class 7
Option C

Ans 4:

Class : Class 9
But how?

Ans 5:

Class : Class 9
Its option C

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