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Subject :NSO    Class : Class 7

The given bar chart shows the concentration of oxygen in blood samples from four places in the circulatory system of a man. Which sample was taken from the pulmonary artery?


A P
B Q
C R
D S


Ans 1:

Class : Class 8
The correct answer is A) P as Pulmonary Artery has the least concentration of oxygen.

Ans 2:

Class : Class 8
thank you for explanation : |

Ans 3:

Class : Class 3
:)

Ans 4:

Class : Class 3
I know right, the given answer is wrong plz correct it

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