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Respiratory System Wikipedia
The respiratory system also respiratory apparatus, ventilatory system is a biological system consisting of specific organs and structures used for gas exchange in animals and plants.The anatomy and physiology that make this happen varies greatly, depending on the size of the organism, the environment in which it lives and its evolutionary history..
Grade The Respiratory System And Lungs Lesson The
Grade The Respiratory System and Lungs Revised Page Esophagus Food moves through the pharynx into the esophagus, which is the passageway for food into the stomach. Epiglottis Acting as a trapdoor to the trachea, it keeps food from entering the trachea and blocking the airway..
Respiratory System Of Insects Wikipedia
An insect's respiratory system is the biological system with which it introduces respiratory gases to its interior and performs gas exchange Air enters the respiratory systems of insects through a series of external openings called spiracles.These external openings, which act as muscular valves in some insects, lead to the internal respiratory system, a densely networked array of tubes .
Lungs All About Our Respiratory System And More
Lungs All about Our Respiratory System and More! [Seymour Simon] on Amazon.com. *FREE* shipping on qualifying offers. Take a deep breath and then let it out. Did you feel your chest rise and fall? That is actually your lungs filling with oxygen and then pushing carbon dioxide back out when you exhale. Without your lungs and your entire respiratory system.
