1.

Which of the following diagram correctly illustrates the passage of oxygen in the respiratory system?

A.  Nose \[\to \] Lungs \[\to \] Wind pipe \[\to \] Blood
B.  Nose \[\to \] Blood \[\to \] Wind   pipe \[\to \] Lungs
C.  Nose \[\to \]Blood \[\to \]Lungs \[\to \] Wind pipe
D.  Nose \[\to \] Wind pipe \[\to \] Lungs \[\to \] Blood
Answer» E.


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