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Its lungs...
Gills are an organ that fish have, that enables them to obtain oxygen from the water that they are in; it is what fish use instead of lungs.
The moist, thin skin of most amphibians allow cutaneous breathing: breathing through the skin. This enables amphibians to get more oxygen from the air. It also enables them to obtain some water as they swim.
Our body obtain oxygen to our body by breathing.
Hemoglobin is the protein in red blood cells that enables them to carry oxygen. Iron is an important component of hemoglobin.
Crustaceans obtain oxygen through gills.
They get oxygen from their gills.
Who is "they" ?
you obtain oxygen from your lungs you could breath through your nose and through your mouth
multicellular organisms obtain their oxygen through the respiratory system
leaves idiot
The blobfish belongs to the Animalia kingdom.