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Category:Respiratory system

The respiratory system is the biological system of any organism that engages in gas exchange. Even trees have respiratory systems, taking in carbon dioxide and emitting oxygen.


Articles in category "Respiratory system"

There are 20 articles in this category.
  • Airway
  • Alveolus

    • B

    C

    D

    E

    H

    L

    N

    N cont.

    P

    R

    T

    V


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    01-04-2007 01:21:04
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