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How Lungs Work | American Lung Association

www.lung.org/lung-health-and-diseases/how-lungs-work/

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

www.biology-pages.info/P/Pulmonary.html

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.

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

www.livescience.com/26825-human-body-system-respiration-infographic.html

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. ... The diaphragm flattens out and pulls forward, drawing air into the lungs for ... The Lost Ways.

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

www.medicinenet.com/lungs_design_and_purpose/page2.htm

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.

5 Functions of Respiratory System - Learn Skeleton System Anatomy

learn.visiblebody.com/respiratory/5-functions-of-respiratory-system

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

What Happens When You Breathe? - National Heart, Lung, and ...

www.nhlbi.nih.gov/health/health-topics/topics/hlw/whathappens

Jul 17, 2012 ... As your lungs expand, air is sucked in through your nose or mouth. ... hemoglobin (HEE-muh-glow-bin) helps move oxygen from the air sacs to the blood. ... Breathing out requires no effort from your body unless you have a ...

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.

Frog Respiration

www.brown.edu/Departments/Engineering/Courses/En123/MuscleExp/Frog Respiration.htm

The frog has three respiratory surfaces on its body that it uses to exchange gas ... the skin keep the frog moist, which helps absorb dissolved oxygen from the air. ... lungs the floor of the mouth moves down, drawing the air out of the lungs and ...

Human Body Systems - K12 Open Ed

k12opened.com/ebooks/sci/humanbodysystems/index.html

The respiratory system takes this carbon dioxide out of the body. ... It helps draw air into the lungs. ... Blood also brings carbon dioxide to be exhaled back out.

The lungs and pulmonary system | Human biology | Khan Academy

www.khanacademy.org/science/biology/human-biology/circulatory-pulmonary/v/the-lungs-and-pulmonary-system

The pulmonary system including the lungs, larynx, trachea, bronchi, bronchioles, alveoli and ... Let me draw someone with a nose and a mouth. ... This is the guy that's going to show us how we take air in and how we take air out of the body.

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

patient.info

The air that we breathe in enters the nose or mouth, flows through the throat ... The lungs also help the body to get rid of CO2 gas when we breathe out. There ...

Lungs and Respiratory System - KidsHealth

kidshealth.org

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.

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

www.merckmanuals.com

To equalize the pressure, air enters the lungs. When the diaphragm relaxes and moves back up, the elasticity of the lungs and chest wall pushes air out of the ...