[DOC] [TLE] The heart and heart conducting system in the kingdom of animals: A ... [PAR] While the human heart conducting system has been thoroughly investigated with 
.... The heart of amphibians consists of three chambers: their atria are ... 
Altogether, the amphibian heart is similar to the lungfish heart, although from .... 
there are a number of tiny foramina in place of it, evolved into the embryonic atrial 
septum. [DOC] [TLE] From: bk186@cleveland.Freenet.Edu (Julie Thomas) Well, I was ... [PAR] Yes, indeed, the lungfish have a four-chambered heart which operates with a 
parallel circulatory system. ... She too has a four chamber heart, much like that of 
mammals and birds, making her heart more similar to a humans than to a lizard. 
.... I wonder how many other systems this hypothesis would apply to (BTW, it's 
both... [DOC] [TLE] The Vertebrate Animal Heart: Unevolvable, whether Primitive or ... [PAR] There are many many small veins (take blood to the heart) and arteries ... Birds 
and mammals have 4 chambers (2 atria and 2 ventricles). ... Oxygen exchange 
occurs in many organisms through the skin without a chordate-like circulatory 
system, but .... The human heart has 2 atrium-ventricle pairs, which beat in 
succession... [DOC] [TLE] Heart - Wikipedia [PAR] The heart is a muscular organ in humans and other animals, which pumps blood 
through the .... The upper part of the heart is the attachment point for several large 
blood ... The heart has four chambers, two upper atria, the receiving chambers, 
and .... Heart tissue, like all cells in the body, needs to be supplied with oxygen,... [DOC] [TLE] Fish physiology - Wikipedia [PAR] Fish physiology is the scientific study of how the component parts of fish function 
together in the ... A number of fish have evolved so-called accessory breathing 
organs that extract .... Like the gill slits of higher fish, each pouch contains two 
gills. ... The heart of fish is therefore only a single pump (consisting of two 
chambers). [DOC] [TLE] Do the number of chambers in the heart of the different classes of ... [PAR] Dec 4, 2011 ... Do the number of chambers in the heart of the different classes of vertebrates 
correlate ... Lungfish have a 3-chambered heart. Amphibians have a 3-
chambered heart. Reptiles (at least some, like the tuatara) have a 3-1/2-
chambered heart. .... What would happen if you injected a human embryo into a 
pig? [DOC] [TLE] circulatory system - The vertebrate circulatory system | anatomy ... [PAR] 3d illustration human heart. ... Hagfishes also have accessory hearts in the 
venous system at several points. ... In fishes the four chambers of the heart are all 
well developed. ... The circulatory systems of lungfishes are strikingly similar to 
those of amphibians, and although lungfishes do not seem to have been 
amphibian... [DOC] [TLE] Circulatory Systems [PAR] hearts. vertebrates have chambered hearts. valves impose one-way flow. number 
of chambers varies with phylogeny; blood circulates through one or two circuits ... 
systems with two-chambered hearts - lungfish ... Human Circulatory System. [DOC] [TLE] The Talk.Origins Archive Post of the Month: July 2006 [PAR] Jul 26, 2006 ... Small invertebrates like the flatworm have no circulatory system of any kind; no 
heart, ... Most fish have a two-chambered heart, but the lungfish has a ... divides 
the ventricle into two separate chambers in a four-chambered heart. ... with 
respect to the development of the human heart in the growing embryo. [DOC] [TLE] Bony Fish Anatomy and Physiology - Sea World [PAR] A bony fish's heart has two chambers: an atrium and a ventricle. The venous side 
of ... At the end of the stomach, many bony fishes have blind sacs called pyloric 
caeca. ... Its gills alone can't keep a lungfish supplied with enough oxygen to live. [DOC] [TLE] Cardiac Chamber Formation: Development, Genes, and Evolution [PAR] Oct 1, 2003 ... The atrial and ventricular chambers of the formed heart are activated ... 
conduction

Question: Like humans, the lungfish has a heart with this many chambers
Answer: 4