Crustaceans obtain oxygen through gills.
you obtain oxygen from your lungs you could breath through your nose and through your mouth
Lungs
No, its just some reptiles that obtain oxygen through their skin. Many of them breath through their lungs.
multicellular organisms obtain their oxygen through the respiratory system
They obtain energy through the air and obtain oxygen through their gills to breath
Lungs, gills and sometimes skin.
Dogs obtain oxygen by inhaling it through the air and traveling to their lungs. From their it goes to the bloodstream.
Pterodactyls do not obtain oxygen at this time because they are extinct. While they existed, they probably obtained oxygen in the same way that birds today obtain it through the use of lungs.
A semipermeable membrane.
it breathes through its nose and it keeps it in its lungs
Lancelets do not have lungs that aid in their respiration. The two ways in which lancelets obtain the necessary oxygen for sustaining their life is by taking oxygen in through their pharynx and absorbing oxygen through their skin.
like any other fish. water passes through their gills and the gills absorb the oxygen through their gills.