A lion gets oxygen by breathing in air through the nostrils or mouth and into two internal lungs (as a human does).
As for all other animals the blood of the lion requires oxygen to survive. the lion gets this oxygen from the air.
the hyenas
No. No animal can live without oxygen
Lion of Oz
Yes, occasionally a male lion will not have a mane.
trees
Oxygen is not the problem, the issue is body
it gets it oxygen from little holes on the body
As a lion gets older, it will also start to grow.
They absorb the oxygen from the cell which gets its oxygen from the blood
the white witch
a lion , or a tiger