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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 Female Reproductive System

Human Endocrine System

Human Endocrine System Diagram

Human Nervous System

Human Neuron Diagram

Diagram of the Human Brain

Human Integumentary System

Homeostasis: Regulating the Internal Environment

Infectious Diseases - Definitions

Infectious Diseases as a Cause of Death

Infectious Diseases Throughout History

Koch’s Postulates

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