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 flow in opposite directions across the ... The respiratory system of gastropods can include either gills or a lung. ... All aquatic reptiles breathe air into lungs.
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 ...
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 ...
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%.
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.
Young whales and dolphins actually rest, eat and sleep while their mother swims, ... Marine mammals can take in more air with each breath, as their lungs are ...
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.