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Topic: Respiratory system

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  Respiratory System - MSN Encarta
The organs of the respiratory system extend from the nose to the lungs and are divided into the upper and lower respiratory tracts.
The upper respiratory tract consists of the nose and the pharynx, or throat.
The lower respiratory tract includes the larynx, or voice box; the trachea, or windpipe, which splits into two main branches called bronchi; tiny branches of the bronchi called bronchioles; and the lungs, a pair of saclike, spongy organs.
encarta.msn.com /encyclopedia_761577180/Respiratory_System.html   (1143 words)

 Respiratory System - MSN Encarta
The respiratory system is also subject to allergic reactions such as hay fever and asthma, brought about when the immune system is stimulated by pollen, dust, or other irritants.
Respiratory Distress Syndrome (RDS) is the name for a cluster of symptoms that indicate severe malfunctioning of the lungs.
The respiratory system of birds, adapted for flight, is very different from that of land-bound animals.
encarta.msn.com /encyclopedia_761577180_3/Respiratory_System.html   (1311 words)

 Respiratory system - Wikipedia, the free encyclopedia
Within the alveolar system of the lungs, molecules of oxygen and carbon dioxide are passively exchanged, by diffusion, between the gaseous environment and the blood.
At birth, the respiratory system is drained of fluid and cleaned to assure proper functioning of the system.
The respiratory tract is constantly exposed to microbes due to the extensive surface area, which is why the respiratory system includes many mechanisms to defend itself and prevent pathogens from entering the body.
en.wikipedia.org /wiki/Respiratory_system   (1493 words)

The role of the respiratory passages is not only to conduct the inhaled air to the terminal respiratory units for gaseous exchange with the blood, but also to provide the adequate medium for alterations in the physical composition of the air, minimizing the environmental insult to the terminal units of the lung.
Syphilis is a systemic infection caused by the Treponema pallidum
There are three distinct varieties of papillary lesions that may affect the upper respiratory passages, all the lesions arising from the lining epithelium of the area, the nasal cavities are affected in 20% of the cases, the paranasal sinuses in 40% of the cases and both in 40% of the cases.
iris.nyit.edu /~edoran/Course/Resp1lect01.htm   (8727 words)

 HON Allergy Glossary Respiratory System
The respiratory system is the system by which oxygen, essential for life, is taken into the body and the waste product, carbon dioxide, is expelled from the body.
The respiratory system consists of the mouth and nose, airways and lungs.
This exchange of substances is the primary function of the respiratory system.
www.hon.ch /Library/Theme/Allergy/Glossary/respiratory_system.html   (144 words)

 Respiratory System
Animals have organ systems involved in facilitating this exchange as well as the transport of gases to and from exchange areas.
This system includes the lungs, pathways connecting them to the outside environment, and structures in the chest involved with moving air in and out of the lungs.
Respiratory pigments increase the oxygen-carrying capacity of the blood.
www.emc.maricopa.edu /faculty/farabee/BIOBK/BioBookRESPSYS.html   (1625 words)

 Lungs and Respiratory System
The pharynx is part of the digestive system as well as the respiratory system because it carries both food and air.
The respiratory system is susceptible to a number of diseases, and the lungs are prone to a wide range of disorders caused by pollutants in the air.
Affecting primarily the respiratory and digestive systems, CF causes mucus in the body to be abnormally thick and sticky.
kidshealth.org /parent/general/body_basics/lungs.html   (2317 words)

 Respiratory System Theme Page
High school students are challenged to learn the structures and functions of a body system thoroughly so that they will be able to pass on the concepts and ideas to younger students in the form of children's books.
Human Body: Respiratory System: Part 1 In Part 1, students learn about the respiratory process and participate in a project where a lung is built inside a bottle.
Human Body: Respiratory System: Part 4 Students measure the circumference of their chest befor and after exhaling.
www.cln.org /themes/respiratory.html   (1253 words)

 Introductory Anatomy: Respiratory System
(Description of respiratory tract from nose to trachea here from overheads) (There is a brief complication where the airstream crosses the path taken by food and drink in the pharynx: air flows on down the trachea where food normally passes down the oesophagus to the stomach.
The respiratory tract, from nasal cavities to the smallest bronchi, is lined by a layer of sticky mucus, secreted by the epithelium assisted by small ducted glands.
The length of the respiratory tract helps in both bringing the air to the right temperature and humidity but hinders the actual ventilation, as a long tract has a greater volume of air trapped within it, and demands a large breath to clear out residual air.
www.leeds.ac.uk /chb/lectures/anatomy7.html   (1942 words)

 Bird Respiratory System
The avian respiratory system is different from that of other vertebrates, with birds having relatively small lungs plus nine air sacs that play an important role in respiration (but are not directly involved in the exchange of gases).
Diagram of parabronchial anatomy, gas-exchange region of the bird's lung-air-sac respiratory system.
During the prenatal stage respiratory gas exchange occurs via diffusion between the external environment and the initial gas exchanger (i.e., the area vasculosa, or the region of blood island formation and forerunner of the chorioallantoic membrane) in early embryonic life and later the vascular bed of the chorioallantois.
www.biology.eku.edu /RITCHISO/birdrespiration.html   (2656 words)

 RESPIRATORY SYSTEM   (Site not responding. Last check: 2007-10-08)
The respiratory system's primary function is to provide oxygen to the bloodstream.
Once in the blood, oxygen travels through the circulatory system to all the cells of the body.
Practice good hygiene (wash your hands frequently), don't smoke and avoid second-hand smoke, get plenty of sleep, exercise regularly, practice deep breathing, eat a balanced diet, be wary of air pollution and reduce the amount of stress in your life.
www.webnat.com /educ/clRespirSystem.asp   (766 words)

 Lungs and Respiratory System
The lungs and respiratory system allow oxygen in the air to be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out.
Even if the air you breathe is dirty or polluted, your respiratory system filters out foreign matter and organisms that enter through the nose and mouth.
Although some respiratory diseases like asthma or cystic fibrosis can't be prevented, you can prevent many chronic lung and respiratory illnesses by avoiding smoking, staying away from pollutants and irritants, washing your hands often to avoid infection, and getting regular medical checkups.
kidshealth.org /teen/your_body/body_basics/lungs.html   (1546 words)

The respiratory system consists of the nasal cavity, pharynx, larynx, trachea, bronchi, and lungs.
Respiratory movements are accomplished by the diaphragm and the muscles of the thoracic wall.
Mucus also traps debris and the cilia on the surface of the mucus membrane sweep the mucus posteriorly to the pharynx where it is swallowed and eliminated by the digestive system.
www.cayuga-cc.edu /people/facultypages/greer/biol204/resp1/resp1.html   (816 words)

 Respiratory System
A sneeze is caused by an irritation in the upper airway.
A hiccup is a spasm of the diagram.
This lesson focuses on the parts of the respiratory system and their functions, as well as diseases of the lungs and their effect on breathing.
www.42explore.com /respsyst.htm   (1412 words)

 PATTS - Pulmonary System
The respiratory system functions to deliver the oxygen to the blood -- the transport medium of the cardiovascular system -- and to remove oxygen from the blood.
The respiratory centers in the brain stem (pons and medulla) control respiration's rhythm, rate, and depth.
The respiratory system consists of two tracts: The upper respiratory tract includes the nose (nasal cavity, sinuses), mouth, larynx, and trachea (windpipe).
webschoolsolutions.com /patts/systems/lungs.htm   (1155 words)

 Respiratory Information   (Site not responding. Last check: 2007-10-08)
Learn about the respiratory system and it's respiratory system diseases, including their symptoms, diagnosis, development, and treatment; and you can stay up-to-date with the lattest repiratory news.
The third part of the respiratory process is called tissue respiration, and involves the exchange of gases between the blood in the capillaries and body tissue cells.
Respiratory disease can be subdivided into those of the upper respiratory system, which refers to the nose, nasal sinuses, and pharynx.
www.virtualrespiratorycentre.com   (600 words)

 Respiratory System/ Introduction to the Respiratory System
When the respiratory system is mentioned, people generally think of breathing, but breathing is only one of the activities of the respiratory system.
The body cells need a continuous supply of oxygen for the metabolic processes that are necessary to maintain life.
The respiratory system works with the circulatory system to provide this oxygen and to remove the waste products of metabolism.
training.seer.cancer.gov /module_anatomy/unit9_1_resp_intro.html   (169 words)

 AMA (Atlas) Respiratory System -- Structure Detail
Pulmonary vessels: Pulmonary arteries carry deoxygenated blood from the heart and lungs; pulmonary veins carry oxygenated blood back to the heart.
Respiratory center: Area of the brain that controls breathing.
Ribs: Bones attached to the spine and central portion of the breastbone, which support the chest wall and protect the heart, lungs, and other organs in the chest.
www.ama-assn.org /ama/pub/category/7166.html   (244 words)

 RESPIRATORY SYSTEM   (Site not responding. Last check: 2007-10-08)
The respiratory system consists of tubes that filter incoming air and transport it into the microscopic alveoli where gases are exchanged.
The dorsal respiratory group is responsible for the basic rhythm of breathing.
The respiratory membrane consists of the epithelial cells of the alveolus, the endothelial cells of the capillary,
www.sirinet.net /~jgjohnso/respiratorysys.html   (1401 words)

 Respiratory System
Air first passes into the nostrils where it is filtered by the nasal hairs and warmed and humidified in the nasal cavity and sinuses.
From there, the air passes through the Pharynx: the throat area shared in common by the respiratory and digestive systems','(pharynx = throat)','../../sounds/bio105/pharynx.wav')" onMouseOver="window.status='The throat area'; return true">pharynx, which is shared with the digestive tract.
Having this thin wall enables air exchange with the equally-thin-walled capillaries of the circulatory system.
biology.clc.uc.edu /courses/bio105/respirat.htm   (1804 words)

 Respiratory system
Be able to identify the parts of the respiratory system from a diagram and define their functions
Using your knowledge of cellular metabolism and the respiratory system, explain why.
List the structures, in the correct sequence through which a molecule of air would pass from the point of entry into the respiratory system until it reaches the air sacs in the lungs.
abbysenior.com /biology/respiratory_system.htm   (1223 words)

 Respiratory System   (Site not responding. Last check: 2007-10-08)
Contains three powerful ingredients that are all known historically to support the immune system.
This pungent, camphor-like oil of Eucalyptus globulus is famous as a traditional aid to expel mucus and fortify the respiratory system, but it also benefits the skin.
Boosts immune system, relieve dryness, builds energy, and soothes the respiratory system.
www.soulhealer.com /u391.htm   (123 words)

 RESPIRATORY SYSTEM   (Site not responding. Last check: 2007-10-08)
It is the function of the respiratory system to transport gases to and from the circulatory system.
Large Multicellular organism must have a Respiratory System to ensure the effective exchange of gasses with the Atmosphere quickly and efficiently to survive.
The MAXIMUM Amount of Air that can be moved into and out of the Respiratory System is Known AS The Vital Capacity is ALWAYS 1 to 1.5 liters LESS than the Total Capacity because the Lungs Cannot be completely Deflated without serious damage.
www.sirinet.net /~jgjohnso/respiratory.html   (2347 words)

 www.lessontutor.com: Respiratory System
It is the starting point of the digestive system as well as a secondary inhaler and exhaler.
The pharynx is shared with the digestive system from the tongue down to the epiglottis.
They resemble bunches of grapes and are the link between the respiratory and circulatory systems.
www.lessontutor.com /jm_respiratory.html   (637 words)

 The MSDS HyperGlossary: Respiratory System
The respiratory system refers to the organs used in breathing such as the nose, throat, larynx, trachea, bronchi, and lungs.
Your body uses this system to take in oxygen from the air and expel carbon dioxide.
Respirators are pieces of Personal Protective Equipment (PPE) that can help protect your respiratory system from exposure to hazardous chemicals.
www.ilpi.com /msds/ref/respiratory.html   (302 words)

 Human Respiratory System - American Lung Association site (via CobWeb/3.1 planetlab2.netlab.uky.edu)   (Site not responding. Last check: 2007-10-08)
The chart of the respiratory system shows the intricate structures needed for breathing.
Breathing is the process by which oxygen in the air is brought into the lungs and into close contact with the blood, which absorbs it and carries it to all parts of the body.
The lymph system, consisting of nodes (knots of cells) and connecting vessels, carries fluid throughout the body.
www.lungusa.org.cob-web.org:8888 /site/pp.asp?c=dvLUK9O0E&b=22576   (686 words)

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