[DOC] [TLE] Lungfish - Wikipedia [PAR] Lungfish (also known as salamanderfish) are freshwater fish belonging to the 
subclass Dipnoi. Lungfish are best known for retaining characteristics primitive 
within the ... These fins are thought to improve gas exchange around the fish's 
eggs in its nest. Through ... Lungfish have a highly specialized respiratory system
. [DOC] [TLE] lungfish | fish | Britannica.com [PAR] Dipnoi any member of a group of six species of living air-breathing fishes ... 
together with the fish's well-developed sensitivity to pressure and turbulence ... 
Pressure and turbulence are sensed by means of sensory structures called 
lateral lines ... In lungfishes these organs are, both in function and in structure, 
primitive lungs... [DOC] [TLE] Lungfish breathe by means of primitive lungs, as well as these ... [PAR] Jeopardy Question: BIOLOGY - Lungfish breathe by means of primitive lungs, as 
well as these respiratory organs. [DOC] [TLE] Comparative Physiology of the Respiratory System ... - Bentham Open [PAR] The primordial respiratory organs that evolved for water breathing were the ..... 
The recent discovery of a well-preserved species of fossil ... possible that these 
lungfish cells may be the common ... suggesting that even in this primitive lung, 
these proteins are .... extant amphibians but is the only means of gas exchange in
. [DOC] [TLE] Observations on the African Lung-Fish, Protopterus thiopicus, and ... [PAR] teleostome fishes, and persists today in many primitive fishes which lack efficient 
means ... evidence to indicate that the respiratory organ has been acquired 
independently ... this I mean instinct, or structure is the more conservative in 
evolution." ..... Under these conditions, as soon as the lung-fish rises for its first 
breath of air. [DOC] [TLE] Evolution of Air Breathing: Oxygen Homeostasis and the Transitions ... [PAR] The respiratory organ is the gatekeeper that determines the amount of oxygen 
... this hypothesis: (i) define when and how atmospheric oxygen levels changed; (
ii) show .... These organisms could have produced small amounts of ROS as a 
result of .... across the exoskeleton as well as use of tracheae and lungs (Section 
2). [DOC] [TLE] Evolution of the Cardiorespiratory System in Air-Breathing ... - terrapub [PAR] Sep 28, 2012 ... cardiorespiratory system.  eel goby.  evolution.  lungfish ... the so-called '
primitive' bony fishes have a lung or ... Of these air-breathing fishes, only some (
e.g., mudskippers) venture onto land .... breathing fishes that are relatively well 
investigated ... Water filling the burrows is severely hypoxic (mean. [DOC] [TLE] Lung Fish - definition of Lung Fish by The Free Dictionary [PAR] Lung Fish synonyms, Lung Fish pronunciation, Lung Fish translation, English ... a 
lunglike organ that enables them to breathe air, especially during drought 
conditions. ... having an air-breathing lung, fleshy paired fins, and an elongated 
body. ... having lungs as well as gills, including three surviving genera: 
Neoceratodus of... [DOC] [TLE] The Ancient Fish-dragons of Africa | Humming Dinosaurs and ... [PAR] Jun 14, 2013 ... There are fish with lungs, fish that live underground, blind fish that ... Along with 
lungfish (obviously), bichirs are among the few fishes ... but most of them use 
some alternative organ for breathing. ... And bichirs are about as primitive as we 
are. ... if other species of bichirs moved around on dry land as well. [DOC] [TLE] The Evolution of Lung-Gill Bimodal Breathing and ... - Brown University [PAR] Lungshes, caudates, and anurans expand and compress ... Both of these 
bidirectional, aerial buccal pumps evolved ... and the primitive aquatic pump 
used for gill irrigation share slow move- .... entirely on passive means of 
expiration .... terygian) system or two-stroke (sarcopterygian) system (see Results 
and Discussion). [DOC] [TLE] Respiratory System - IASZoology.com [PAR] Jul 15, 2008 ... The primitive pterobranch hemichordates (Cephalodiscus and ... Instead, gills are 
waved in water by means of muscles attached at the base of gill axis for 
respiration. ... These fishes can gulp air and use it as air breathing organ.

Question: Lungfish breathe by means of primitive lungs, as well as these respiratory organs
Answer: Gills