All mammals breathe oxygen, same as humans.
- Ashley Cant
For the exact same reason we humans need air: to live.
A polar bear is a mammal and all mammals need air to breath.
oxygen
Polar Bears don't live in the Artic because they need land to survive. They swim in the Artic ocean but they don't live in it. Anyways Polar Bears can't live without oxygen from the air.
on land
No. It just means that you sweat a lot and you need to let your feet get some air.
Paws, and wings
Koalas, which are not bears, are only similar to bears in that they are both warm-blooded, air-breathing mammals, with fur.
Koalas, which are not bears, are only similar to bears in that they are both warm-blooded, air-breathing mammals, with fur.
The filters in an air purifier ususally need to be changed around every 3 - 6 months but it also depends greatly on what kind of air purifier you have .
dogs like running around in the fresh air
The air we currently breath will do, but without the air pollution that is man-made, and a cause of respiratory ill health.