Sea slugs breathe through a gill (or ctenidium). Aquatic respiration ... The
respiratory system of gastropods can include either gills or a lung. ... the gills.
Because these sharks rely on this tec...
Apr 19, 2009 ... Fish use their gills to take oxygen from the water that they live in. But people get
the oxygen we need by breathing air, using our lungs. Whales ...
Unlike fish these marine mammals are not equipped with gills, which fish ... To
assist with long dives whales have developed special lungs that help them inhale
No, whales don't have gills; instead they are born with blowholes. ... to extract
oxygen directly from the water so that they can breathe underneath the water ...
Whales are marine mammals and like all mammals they have lungs and nostrils,
Aug 5, 2009 ... (By the way, this is why we couldn't breathe liquid unaided, as in the film The ...
Well, their gills are much more efficient at extracting oxygen than our lungs. ...
With an unlimited, easy supply of oxygen, whales and dolphins can ...
Why do dolphins and whales swim to the surface of the ocean? ... The air-
breathing lungs of mammals, including humans, must be dry and empty of ... A
fish breathes by taking water into its mouth and forcing it out through the gill
Whales can't breathe in water for the same reason we can't. ... breathe. Animals
with backbones lost their gills and developed lungs when they moved onto land.
Fish use their gills to take oxygen from the water that they live in. But people get
the oxygen we need by breathing air, using our lungs. Whales and dolphins use
Dec 19, 2009 ... Fish use gills to breathe. This means they can't drown, and don't need to surface
to breathe.Aquatic mammals like whales have lungs. Not good ...
Learn why water molecules can't be absorbed by human lungs. ... Fish "breathe"
the dissolved oxygen out of the water using their gills. ... Warm-blooded animals
like whales breath air like people do because it would be hard to extract enough