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The respiratory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants. The anatomy and ...


Mar 11, 2016 ... The human respiratory system consists of the lungs and other organs. Its main function is to take in oxygen and carbon dioxide.


The Human Respiratory System – explore anatomy of the upper and lower respiratory tracts, from nasal passages to the lungs, using interactive diagrams.


Your lungs make up one of the largest organs in your body, and they work with your respiratory system to allow you to take in fresh air, get rid of stale air, and ...


Jul 17, 2012 ... The respiratory system is made up of organs and tissues that help you breathe. The main parts of this system are the airways, the lungs and ...


An online study guide to learn about the structure and function of the respiratory system using interactive animations and diagrams.


Advanced respiratory system physiology. Progress. Respiratory system introduction. Gas exchange. Breathing control. Next. Unit test. 10 questions ...


Learn about the primary functions of the respiratory system and how they work.


The respiratory system aids in breathing, also called pulmonary ventilation. In pulmonary ventilation, air is inhaled through the nasal and oral cavities (the nose  ...


The Human Respiratory System. The Pathway. Air enters the nostrils; passes through the nasopharynx,; the oral pharynx; through the glottis; into the trachea ...