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Subject :NSO    Class : Class 3

The diagram below shows the exchange of gases in our body. Which parts of the body are represented by the letters X, Y and Z, respectively?

A All body parts Heart Lungs
B Heart All body parts Lungs
C Lungs All body parts Heart
D All body parts Lungs Heart

Ans 1: (Master Answer)

Class : Class 1


Z is lungs, Y is heart and X are all body parts.

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