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www.reference.com/science/gases-humans-exhale-2e229a37e5894295

Exhaled air also contains water vapor. Red blood cells travel by vein to the lung; they give of carbon dioxide and take in oxygen. Similar Articles. What Is the Process of Breathing? What Is the Purpose of Respiration? What Are Some Examples of Gases? ... What Gases Do Humans Exhale? ...

sciencing.com/chemical-composition-exhaled-air-human-lungs-11795.html

Germs, for example, can potentially cause infections. ReferencesAnnals of Allergy, Asthma, and Immunology: Human Exhaled Breath AnalysisMinnesota State University: The Air We BreatheUniversity of Gothenburg: Analysis of Endogenous Particles in Exhaled AirEncyclopaedia Britannica: Cellular RespirationAbout the AuthorDoug Johnson is an Edmonton-based writer, editor and journalist.

www.reference.com/science/much-oxygen-inhale-exhale-b763252ad5727e56

At rest, the average adult inhales around 20 percent oxygen in the air and exhales about 15 percent oxygen, according to HowStuffWorks. People inhale and exhale approximately 7 or 8 liters of air each minute or 11,000 liters per day.

en.wikipedia.org/wiki/Exhalation

Exhalation (or expiration) is the flow of the breath out of an organism. In humans it is the movement of air from the lungs out of the airways, to the external environment during breathing.. This happens due to elastic properties of the lungs, as well as the internal intercostal muscles which lower the rib cage and decrease thoracic volume. As the thoracic diaphragm relaxes during exhalation ...

en.wikipedia.org/wiki/Breathing

Breathing (or ventilation) is the process of moving air into and out of the lungs to facilitate gas exchange with the internal environment, mostly by bringing in oxygen and flushing out carbon dioxide.. All aerobic creatures need oxygen for cellular respiration, which uses the oxygen to break down foods for energy and produces carbon dioxide as a waste product.

www.quora.com/What-is-the-chemical-composition-of-exhaled-air

After a human breathes in Earth's air (roughly 78 percent nitrogen and 21 percent oxygen), he or she exhales a mixture of compounds similar to the air inhaled: 78 percent nitrogen, 16 percent oxygen, 0.09 percent argon, and four percent carbon dio...

www.webmd.com/lung/how-we-breathe

The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide. Learn more about the parts of your respiratory system, how you ...

in.answers.yahoo.com/question/index?qid=20080915115501AAhKpWQ

what we inhale is common air what is everywhere around. what we exhale has very less amount of oxygen in it because the lungs suck oxygen. its wrong that we only exhale carbon di oxide! we exhale air with more carbon di oxide than normal and less oxygen

www.forbes.com/.../2017/02/28/why-do-we-inhale-oxygen-and-exhale-carbon-dioxide

Why do we inhale oxygen and exhale carbon dioxide? originally appeared on Quora: the place to gain and share knowledge, empowering people to learn from others and better understand the world ...

biology.stackexchange.com/.../why-do-we-have-to-exhale-or-inhale-in-order-to-speak

Every time we speak, sing, or make any other kind of advanced noise with our throats, we exhale, or to put it that way, blow air through our throats. Why is this required? After all, speakers do not need any air blowing through them, they simply vibrate the air and create the vibrations (sounds) they're supposed to.