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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, Barbara Tharp, MS, and Judith Dresden, MS.
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Breathing Machine

Materials

Science Safety Considerations

How Does Air Move Into and Out of Our Lungs?

Let’s Get Started

Let’s Talk About It

The Science of Breathing

The Science of Breathing (cont.)

Extensions

Carbon Cycle

Human Respiratory System

Human Excretory System

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