Breathing gas — is a mixture of gaseous chemical elements and compounds used for respiration. Air is the most common and only natural breathing gas. Other artificial gases, either pure gases or mixtures of gases, are used in breathing equipment and enclosed… … Wikipedia
Breathing — Breath redirects here. For other uses, see Breath (disambiguation). For other uses, see Breathing (disambiguation). The human respiratory system Breathing is the process that moves air in and out of the lungs. Aerobic organisms require oxygen to… … Wikipedia
Palaeontology — Palæontology † Catholic Encyclopedia ► Palæontology (logos ton palaion onton) Palæontology, or the science of fossils, deals with extinct or primeval animals and plants. It treats of their characteristics, classification, life and … Catholic encyclopedia
Ctenophore — Taxobox name = Comb jellies image caption = Ctenophorae from Ernst Haeckel s Kunstformen der Natur , 1904 domain = Eukaryota regnum = Animalia phylum = Ctenophora phylum authority = Eschscholtz, 1829 subdivision ranks = Classes subdivision =… … Wikipedia
Ichthyology terms — Ichthyology uses several terms that are unique to the science.Contents: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z NOTOC A * Abdomen: belly * Abdominal: pertaining to the belly * Actinosts: a series of bones at the base of the pectoral… … Wikipedia
Masters (The Tripods) — The Masters are a fictional intelligent alien life form in John Christopher s The Tripods trilogy. They are first mentioned and seen in chapter 6 of The City of Gold and Lead. Contents 1 Biology 2 Psychology 3 Technology … Wikipedia
History of masturbation — Masturbation was depicted in 19th century Shunga prints, such as this piece by Kunisada … Wikipedia
Atmungsorgane — kvėpavimo organai statusas T sritis Kūno kultūra ir sportas apibrėžtis Sistema organų, per kuriuos vyksta išorinis kvėpavimas – dujų apykaita tarp organizmo ir aplinkos. Kvėpavimo organus sudaro kvėpavimo takai (nosis, gerklos, trachėja,… … Sporto terminų žodynas
kvėpavimo organai — statusas T sritis Kūno kultūra ir sportas apibrėžtis Sistema organų, per kuriuos vyksta išorinis kvėpavimas – dujų apykaita tarp organizmo ir aplinkos. Kvėpavimo organus sudaro kvėpavimo takai (nosis, gerklos, trachėja, bronchai), plaučių ir… … Sporto terminų žodynas
органы дыxания — kvėpavimo organai statusas T sritis Kūno kultūra ir sportas apibrėžtis Sistema organų, per kuriuos vyksta išorinis kvėpavimas – dujų apykaita tarp organizmo ir aplinkos. Kvėpavimo organus sudaro kvėpavimo takai (nosis, gerklos, trachėja,… … Sporto terminų žodynas
