Like humans and other animals, fish need to take in oxygen. But they get it in a different way--through their gills, which are located on either side of the fish, just behind the mouth. When fish open their mouths, water comes in; when they...
http://www.worldalmanacforkids.com/WAKI-ViewArticle.asp...
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How fish breathe; The process begins by water in the fish’s surrounding entering its mouth‘s. Water enters the mouth by a very effective pumping system that involves the mouth and the outer flexible bony flap that cover the gills called the operculum.
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www.myuniversalfacts.com/2006/03/how-do-fish-breathe.ht...
www.myuniversalfacts.com/2006/03/how-do-fish-breathe.html
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Water contains an average of 5 ml oxygen per liter of water. Fish absorb this oxygen directly into their blood stream by "inhaling" or sucking water in their mouths. The water travels to the gills...
http://www.ehow.com/tag/capillaries/
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Almost three-forths of the world's surface is covered in water. This water is home to over 20,000 different species of fish. The earliest fossils of fish date back ... Most fish breathe through gills. Gills perform the gas exchange between the water and the fish's blood. They allow the fish to breathe oxygen in the water.
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www.kidport.com/RefLib/Science/Animals/Fish.htm
www.kidport.com/RefLib/Science/Animals/Fish.htm
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Fish and humans resemble each other in many ways. We have digestive, circulatory and nervous systems similar to those of other vertebrates. And fish need oxygen just like we do. But when we spend time underwater we ... Therefore they must...
http://www.petplace.com/fish/how-do-fish-breathe/page1....
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LIKE ALL ANIMALS, FISH NEED OXYGEN TO LIVE. SO THEY HAVE GOT THE GILLS, TWO SPREADS AT THEIR HEAD'S SIDES ALLOWING THEM TO TAKE OXYGEN FROM THE WATER. THE CLOSED GILLS FISH SWALLOWS WATER FROM ITS MOUTH.
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arcweb.medialighieri.it/english/respiranopesci.htm
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Do fish breathe air? ... Yes, but not directly into the lungs as mammals do (except for some tropical fish). (Actually they breathe oxygen not air.) As water passes over a system of extremely fine gill membranes, fish absorb the water's oxygen content.
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www.nefsc.noaa.gov/faq/fishfaq1b.html
www.nefsc.noaa.gov/faq/fishfaq1b.html
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Fish breathe by drinking. A pressurized gulp of water flows from the mouth into a gill chamber on each side of the head. Gills themselves, located in gill clefts within the gill chambers, consist of fleshy, sheetlike filaments transected by extensions called lamellae.
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www.kwic.com/~pagodavista/schoolhouse/species/fish/fish...
www.kwic.com/~pagodavista/schoolhouse/species/fish/fishgill.htm
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How Do Fish Breathe?. Water contains an average of 5 ml oxygen per liter of water. Fish absorb this oxygen directly into their blood stream by "inhaling" or sucking water in their mouths. The water travels to the gills... ... How Does a Fish Breathe?
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www.ehow.com/how-does_4565602_fish-breathe.html
www.ehow.com/how-does_4565602_fish-breathe.html
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