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