When the bird breaths in, the oxygen stays in there air sacs, but when humans breath in, the oxygen doesnt stay in the air sacs, it has a gas exchange in the alvioli and the oxygen goes into the blood stream
No. The respiratory system of a bird is radically different from and more efficient than that of a mammal.
The do so using their lungs but there are different structures present in birds (air sacks) that makes their breathing more efficient than mammals.
Both birds and mammals have lungs. They use their respiratory system to get oxygen into each cell and carbon dioxide way form the cells and out of the body.
Mammals differ from birds as birds lay eggs, and mammals give live birth.
Birds and mammals both have internal skeletons, closed circulatory systems, similar digestive systems, and are warm blooded.
Yes, in some ways birds are very similar to mammals. In others, they differ completely.
Mammals have fur, and birds have feathersMost mammals give birth to living young and birds lay eggs
Of course not ...no birds are mammals !!!!!!!!!!!No, they are birds.
Adaptations that birds and mammals share include the fact that they are both warm blooded, they are both vertebrates, and they both have four chambered hearts. Unlike mammals, birds are covered in feathers and all birds lay eggs. Unlike birds, mammals are covered in hair, produce milk for their young, and nearly all mammals give birth to live young (except a few species that lay eggs).
Born animals are mammals and eggs can be from birds, reptiles, amphibians and two types of mammals, the platypus and the echidna.
No. It is a bird. Birds differ from mammals in several ways, most notably that they do not nurse their young. Birds feed their young with the same food they eat.
No, they are birds.
No. Birds are not mammals.
No. They are birds. Birds and mammals are separate classes of animal.
No. They are birds. Birds and mammals are separate classes of animal.