From the moisture in the soil.
Our body obtain oxygen to our body by breathing.
the answer is grace
Crustaceans obtain oxygen through 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
We obtain oxygen by breathing in fresh air. Carbon dioxide comes out of us.
the worm especially earthworms
No. The skeleton dose not get oxygen
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.
They absorb the oxygen from the cell which gets its oxygen from the blood