Gill — A gill is an anatomical structure found in many aquatic organisms. It is a respiration organ whose function is the extraction of oxygen from water and the excretion of carbon dioxide. The microscopic structure of a gill is such that it presents a … Wikipedia
1913 Ais Gill rail accident — For the accident in 1995, see 1995 Ais Gill rail accident. The Ais Gill rail accident occurred on the Settle Carlisle Railway in the north of England on 1 September 1913. The immediate cause of the crash was a signal passed at danger, but there… … Wikipedia
Asphyxiant gas — dablink|For main article see Asphyxia. An asphyxiant gas is a non toxic or minimally toxic gas which dilutes or displaces the oxygen containing atmosphere, leading to death by asphyxiation if breathed long enough. Toxic gases in large enough… … Wikipedia
Dauletabad gas field — Country Turkmenistan Region Amu Darya Basin Location Ahal Province Offshore/onshore onshore Operator(s) Türkmengaz … Wikipedia
Sarin gas attack on the Tokyo subway — Sarin attack on the Tokyo subway Kasumigaseki Station, one of the many stations affected during the attack Location Tokyo, Japan … Wikipedia
Aquatic insects — A water beetle A whirligig beetle Aquatic insects live some portion of their life cycle in the water. They feed in the same way … Wikipedia
gastropod — /gas treuh pod /, n. 1. any mollusk of the class Gastropoda, comprising the snails, whelks, slugs, etc. adj. 2. Also, gastropodous /ga strop euh deuhs/. belonging or pertaining to the gastropods. [1820 30; < NL Gast(e)ropoda a class of mollusks.… … Universalium
respiration — respirational, adj. /res peuh ray sheuhn/, n. 1. the act of respiring; inhalation and exhalation of air; breathing. 2. Biol. a. the sum total of the physical and chemical processes in an organism by which oxygen is conveyed to tissues and cells,… … Universalium
fish — fishless, adj. /fish/, n., pl. (esp. collectively) fish, (esp. referring to two or more kinds or species) fishes, v. n. 1. any of various cold blooded, aquatic vertebrates, having gills, commonly fins, and typically an elongated body covered with … Universalium
Fish — /fish/, n. Hamilton, 1808 93, U.S. statesman: secretary of state 1869 77. * * * I Any of more than 24,000 species of cold blooded vertebrates found worldwide in fresh and salt water. Living species range from the primitive lampreys and hagfishes… … Universalium