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 ... Whales and dolphins use their lungs to breathe air also.
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 ... Fish use their gills to take oxygen from the water that they live
in. But people get the ... Whales and dolphins use their lungs to breathe air also.
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.
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 ... As
water passes over the thin walls of the gills, dissolved oxygen moves into the ...
With more than 25,000 species of fish in the sea to inspire your design, anything
A whale can hold it's breath for up to half an hour under water and that's because
its ... to ours, but when it breathes in fresh air most of its lungs are filled with air.
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 ...
Feb 23, 2015 ... If there is some advantage to breathing from the air instead of using gills, why ....
Why Lungs can't work in water and gills can't work in air?
Dolphins are cetaceans, members of the same family as whales. ... Instead,
dolphins breathe through nostrils located on top of their heads, called blowholes.
When the dolphin surfaces, he can blow the old air out of his lungs, creating a
plume of spray and suck in fresh air. ... Does a Crocodile Have Gills or Lungs?