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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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Human Circulatory System

Diagram of the Human Heart

Human Immune System

Disease Prevention in Humans

Human Respiratory System

Human Respiratory System Diagram

Human Digestive System

Human Digestive System Diagram

Human Excretory System

Human Urinary System Diagram

Human Reproductive System

Human Male Reproductive System

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