Most fish exchange gases using gills on either side of the pharynx (throat). Gills
are tissues ... Higher vertebrates do not develop gills, the gill arches form during
fetal development, and lay the...
Sep 7, 2011 ... Gills work on the same principle as lungs. ... Freshwater fish tend to have less of
these cells than do their seafaring counterparts. This ...
www.ask.com/youtube?q=How Do Gills Work?&v=cVFqME-NW9s
Mar 12, 2012 ... Description of Countercurrent Exchange in fish gills as an example of form
relating to function in biology. ... How Do Fish Breathe In Water?
Oct 29, 2011 ... Asked by Mark Wrangham. Like humans, ﬁ sh need oxygen to survive, but unlike
us, they are capable of getting the oxygen they need from ...
Unlike land animals, which have lungs to take in oxygen from the air, fish have
gills to breathe in the oxygen contained in water. This process of breathing
Do all sea creatures have gills? ... The lungs of mammals would not work very
well for a fish, because one ... Gills are feathery organs full of blood vessels. A
Fish gills act as the equivalent of a mammal's lungs by taking in oxygen and
releasing carbon dioxide. Oxygen and carbon dioxide travel across small, ...
Aug 10, 2007 ... This has to do with osmosis, which is related to diffusion discussed ... Well, shark
gills work exactly like those of other fish with one exception.
Larger things, like fish, have to collect all the oxygen in one area (gills for the fish)
and transport it to every cell ... So they don't work well and the fish suffocates.
Interesting ques ! for starters here - how do gills extract oxygen from water -
Search results. The gills are composed of comb-like filaments, the gill lamellae,