Respiratory System WisdomCard

Our Guides and Physician Review team have organized the Top 10 Health Resources on Respiratory System and compiled helpful research notes below.


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Research Notes on Respiratory System


The main purpose of the respiratory system is to supply the body with oxygen. The nose and mouth, along with the air passages and lungs, make this possible. When we inhale, our lungs separate the gases, the oxygen is sent to the body, and the carbon dioxide exhaled.1 The respiratory system is susceptible to many disorders and diseases. 2

Fast Facts:

  • We breath 20,000 times in a day. 3
  • Smoking makes oxygen absorption more difficult.4
  • There are over 300 million alveoli and 1,500 miles of airways in the lungs.5
  • The respiratory system plays an important part in the regulation of body temperature and normal blood PH.6
  • Irritation can occur when breathing in cold or dry air. 7

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Latest Headlines on Respiratory System

What is the Anatomy of the Respiratory System?

What is the Histology of the Respiratory System?

What is the Physiology and Function of the Respiratory System?

Selected Conditions and Disorders Affecting the Respiratory System

Wisdom, Blogs, and Message Boards about Respiratory System

Foundations and Support Groups on Respiratory System

Scientific and Medical Journal Articles on Respiratory System

Clinical Trials on Respiratory System

Research Notes References

  1. The Cleveland Clinic (via WebMD): How We Breathe: Understanding How Your Lungs and Respiratory System Work
  2. University of Maryland Medical Center: Lung Disorders and Diseases
  3. The Nemours Foundation: What Are the Lungs and Respiratory System and What Do They Do?
  4. Utah Education Network: Respiratory System
  5. Discovery Kids: Respiratory System
  6. A.D.A.M. (via Body Guide): Respiratory System Information
  7. National Heart Lung and Blood Institute: How the Lungs Work: The Respiratory System

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