Aquatic respiration is the process whereby an aquatic animal obtains oxygen
from water. ... Fish use the process known as countercurrent flow, in which water
and blood ... The respiratory system of ...
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 and
other ... to the trachea where air passes through the air passage and fills the
lungs. ... In terms of how long a whale can hold its breath varies depending on
In order to inhale and exhale air whales breathe through their blowhole(s) which
are ... Although cetaceans do not have gills or lungs capable of breathing under ...
Shorter answer: Whales have lungs and the blow hole on top allows air in, and
out, like a nostril ... Mammals are the group of animals that breath air using lungs,
give birth to live young (rather than laying eggs), and feed their young ... Will
whales eventually evolve organs (i.e. gills) to let them breathe under water like
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 ...
Like other mammals, dolphins have lungs and breathe air. They breathe using a
blowhole on top of their head and will normally do this several times a minute.
Oct 20, 2012 ... of your internal body cavity while a whale's lungs only take up 3% ... air in our
lungs with every breath, while whales exchange about 80 to 90%.
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