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Bitmap Image  |  1995-06-29  |  99.1 KB  |  510x394  |  8-bit (184 colors)  |  [TEXT/LMAN]
   ocr: HOW FISH BREATHE F! . ahty can have breathe gills. in Gills water are found because in over leaves the through gills. In an bony opening fish the behind water the chambers on both sides of the head, operculum. In sharks the water leaves each set protected by a flap called through the gill slits. Gills are very the operculum. As a fish swims along, efficient respiratory surfaces. They water enters its open mouth to Aow are soft and frilly to give them a very large surface area, and the fact that Gills they are red: shows they have a good Mouth blood supply. A fish will "suffocate" ifiti is out ...