gills
Lungs for land (or air breathing) animals, Gills for fish, pores for insects.
Fish Use Gills Instead of lungs. Gills Help fish to Breath. Fish Use Gills Instead of lungs. Gills Help fish to Breath.
gills which are their lungs
Animals = lungs Fish = gills
They have gills to remove oxygen from the water instead.
They have actual skin instead of scales. Whales also have blubber, which fish do not posses. Whales have lungs and a blowhole instead of gills.
No, in general lungs are only good for animals that breath air. In a water environment, oxygen exchange is accomplished using organs called "gills" and fish have gills.
The lungs are the organs responsible for filling blood with oxygen. In the lungs, oxygen from the air we breathe diffuses into the blood in the capillaries surrounding the alveoli, which are tiny air sacs in the lungs. This oxygenated blood is then pumped by the heart to the rest of the body.
Most fish use gills for gas exchange instead of lungs
Most fish use gills for gas exchange instead of lungs
No. Fish use gills instead of lungs. Marine mammals have lungs but don't breathe through a mouth or nose, they use a blow hole.
Neither, in general lungs are only good for animals that breath air and fins are used for swimming not breathing. In a water environment, oxygen exchange is accomplished using organs called "gills" and fish have gills.