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Jill Browne, online writer and editor, loves collaborating with writers.

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Respiratory System

Closely linked to the cardiovascular system, the respiratory system is arguably the one creating the most important link between our bodies and the environment. With each breath of air from outside to inside our lungs, we draw in a mixture of substances. How the body then sorts and processes those substances, good and bad, is the job of the respiratory system.

Latest articles in Respiratory System

 Functions of the Nose

Find out how the nose works to perceive smell and regulate the temperature and humidity of inhaled air.

May 31, 2011 – Lakshmi Ananth

Gas Exchange in Human Respiration

The lungs are designed to provide the optimum environment for gas exchange, the diffusion of oxygen into the respiratory tract and then out to the body.

Apr 3, 2011 – Kate Dever

The Pharynx: Anatomy of Nasopharynx, Oropharynx and Hypopharynx

The pharynx, a channel for both air and food, has three parts. Read about the nasopharynx, oropharynx and hypopharynx, the three divisions of the pharynx.

Sep 20, 2010 – Lakshmi Ananth

Respiratory Muscles: Breathing Muscles Expand and Contract Lungs

Respiratory muscles help the lungs expand and contract during respiration. Learn more about the breathing muscles and how they work.

Sep 12, 2010 – Lakshmi Ananth

Pulmonary Surfactant and Infant Respiratory Distress Syndrome

Pulmonary surfactant is a surface active agent that reduces surface tension in the lungs. Deficiency of lung surfactant causes infant respiratory distress.

Sep 9, 2010 – Lakshmi Ananth

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