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Respiratory system - Wikipedia


The respiratory system is a biological system consisting of specific organs and structures used ... The passage of air into the lungs to supply the body with oxygen is known as inhalation, and the p...

How Lungs Work | American Lung Association


Your lungs are part of the respiratory system, a group of organs and tissues that work ... The respiratory system's main job is to move fresh air into your body while removing ... Air moves in and out through one opening—a branch of the bronchial tube. ... it creates suction in the chest, drawing in air and expanding the lungs.

Respiratory System - Kimball's Biology Pages


Air enters the nostrils; passes through the nasopharynx,; the oral pharynx ... In mammals, the diaphragm divides the body cavity into the ... the volume of the thoracic cavity causes the lungs to expand, drawing air into them. During inspiration (inhaling),. The external intercostal muscles contract, lifting the ribs up and out.

5 Functions of Respiratory System - Learn Skeleton System Anatomy


The respiratory system also helps us to smell and create sound. ... Changes to the volume and air pressure in the lungs trigger pulmonary ventilation. ... Internal Respiration Exchanges Gases Between the Bloodstream and Body Tissues ... Next Article: Breathing In and Speaking Out > ... Drawing In and Processing Air

Your Lungs & Respiratory System - KidsHealth


Your lungs make up one of the largest organs in your body, and they work with your ... Now breathe out the air, and feel your chest return to its regular size.

the respiratory system - LeavingBio.net

leavingbio.net/respiratory system/the respiratory system.htm

This helps to keep the air entering the nose from drying out the lungs and other parts of ... Body cells use the inhaled oxygen gotten from the alveoli of the lungs.

respiratory system - The Worlds of David Darling


The main parts of this system are the airways, the lungs and linked blood vessels, and ... that carry oxygen-rich air to the lungs and carbon dioxide out of the lungs. ... Air first enters the body through the nose or mouth, which wets and warms the air. ... A red blood cell protein called hemoglobin helps move oxygen from the air  ...

Lung Anatomy Symptoms, Treatment, Causes - How is air moved ...


Mar 14, 2016 ... How is air moved into and out of the lungs during respiration? ... oxygen to the cells of the body and then pick up the waste carbon dioxide.

Control of Breathing - Lung and Airway Disorders - Merck Manuals ...


The process of breathing out (called exhalation or expiration) is usually passive ... resting shape and to expel air out of the lungs when inspiratory muscles are relaxed. ... From developing new therapies that treat and prevent disease to helping ...

Breathing System Facts for Kids


When you inhale, your lungs draw in oxygen, a gas in the air that we need to live. The oxygen is then ... your lungs. It helps move breath in and out of your body.

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The Lungs and Respiratory System. Chest/Lung Information | Patient


Help choosing the right treatment ... The air that we breathe in enters the nose or mouth, flows through the throat (pharynx) and voice box (larynx) and enters the ... The lungs also help the body to get rid of CO2 gas when we breathe out. There ...

Human Respiratory System - Diagram - How It Works - Live Science


Feb 4, 2013 ... Find out all about your lungs and how breathing works. ... Blood carries the oxygen through the body to where it is needed. Red blood ... The diaphragm flattens out and pulls forward, drawing air into the lungs for inhalation.

Lungs and Respiratory System - KidsHealth


Find out more about the lungs and breathing process. ... be taken into the body, while also enabling the body to get rid of carbon dioxide in the air breathed out.