Respiratory system: want to learn more about it?
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After completing this study unit you will learn how to:
- Name the main organs of the respiratory system.
- List the main functions of the respiratory system.
The respiratory system works in partnership with our cardiovascular system to supply the body with oxygen and remove carbon dioxide. Air is conducted into our lungs by a system of respiratory passageways (the respiratory tract). Gas exchange then occurs, supplying the blood with oxygen and ridding it of carbon dioxide. The respiratory system has other functions too; it filters, humidifies and warms the incoming air, and it plays an important role in maintaining the acid-base balance of the blood. Watch the following video to learn about the main organs of the respiratory system.
If you’d like to take a closer look at the respiratory system organs, watch the following video
Take a quiz
Now that you have watched our respiratory system videos check your knowledge by taking the following quiz.
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For a more detailed view of the respiratory system, including some of the surrounding structures take a look at this atlas gallery;
|Main organs of the respiratory system||
Upper respiratory tract: external nose, nostril, nasal vestibule, nasal cavity, nasal conchae, nasal meatus, pharynx, larynx (superior portion)
Lower respiratory tract: larynx (inferior portion), trachea, right main bronchus, left main bronchus, right lung, left lung, superior lobe of right lung, middle lobe of right lung, inferior lobe of right lung, superior lobe of left lung, inferior lobe of left lung, diaphragm
|Functions of the respiratory system||Gas exchange of oxygen and carbon dioxide
Filters, humidifies and warms incoming air
Aids in maintaining the acid-base balance of the blood