interchange of gases

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• Respiration — is the act of inhaling and exhaling air in order to exchange oxygen for carbon dioxide. * * * 1. A fundamental process of life, characteristic of both plants and animals, in which oxygen is used to oxidize organic fuel molecules, providing a… …   Medical dictionary

• Parenchyma — is a term used to describe a bulk of a substance. It is used in different ways in animals and in plants.The term is New Latin, from Greek parenkhuma , visceral flesh, from parenkhein , to pour in beside : para , beside + en , in + khein, to pour …   Wikipedia

• Stewart's organs — (ECHINODERMATA: Echinoidea) In cidaroids, coelomic pouches associated with Aristotle s lantern, functioning for interchange of gases …   Dictionary of invertebrate zoology

• Airway — The path air follows to get into and out of the lungs. The mouth and nose are the normal entry and exit ports. Entering air then passes through the back of the throat (pharynx), continues through the voice box (larynx), down the trachea, and… …   Medical dictionary

• Glossary of plant morphology terms — Biologists that study plant morphology use a number of different terms to describe plant organs and parts that can be observed with the human eye using no more than a hand held magnifying lens. These terms are used to identify and classify plants …   Wikipedia

• emphysema —    A pulmonary condition with loss of elasticity in the alveoli and the interalveolar septa...the meat foam and their interleaving sheaths that you fill up when you breathe. If a septum gets too stretched over time, several of the little sacs… …   Herbal-medical glossary

• liquid — liquidly, adv. liquidness, n. /lik wid/, adj. 1. composed of molecules that move freely among themselves but do not tend to separate like those of gases; neither gaseous nor solid. 2. of, pertaining to, or consisting of liquids: a liquid diet. 3 …   Universalium

• Public transport — This article is about passenger transportation systems. For mathematics, see transportation theory. For other uses, see Mass transit (disambiguation). Public infrastructure Assets and facilities …   Wikipedia

• Earth Sciences — ▪ 2009 Introduction Geology and Geochemistry       The theme of the 33rd International Geological Congress, which was held in Norway in August 2008, was “Earth System Science: Foundation for Sustainable Development.” It was attended by nearly… …   Universalium

• Texas — This article is about the U.S. state. For other uses, see Texas (disambiguation). State of Texas …   Wikipedia

• climate change — Introduction  periodic modification of Earth s climate brought about as a result of changes in the atmosphere as well as interactions between the atmosphere and various other geologic, chemical, biological, and geographic factors within the Earth …   Universalium