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Overview of the Respiratory System

Overview of the Respiratory System

Bronchial tubes and their branches can be seen in this normal chest x-ray.
© Thomas Hecker.

The respiratory system, composed of lungs, airways, respiratory muscles and blood vessels, serves as the mechanism that brings oxygen into the body and release CO2 out of the body.




Author(s): Nancy Moreno, PhD, Deanne Erdmann, MS, and Sonia Rahmati Clayton, PhD
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Summary (II)

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The Environment and Human Health

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Environments Influence Human Health and Disease

Environmental Health

The Dose Makes the Poison

We Live in a Chemical World

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Gene Variations Affect Susceptibility

Susceptible Groups

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