They don't use oxygen they use carbon dioxide. They use the carbon dioxide that we breeth out and then they breeth out oxygen which we need to survive; that's why we need to keep planting trees and other plants!
Our body obtain oxygen to our body by breathing.
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
You can obtain lily seeds by purchasing them from a garden center or online seed store. You can also collect seeds from mature lily plants in your garden by allowing the flowers to bloom and produce seed pods, then harvesting the seeds once the pods have dried.
We obtain oxygen by breathing in fresh air. Carbon dioxide comes out of us.
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.
Plants obtain oxygen during photosynthesis from water molecules.
They absorb the oxygen from the cell which gets its oxygen from the blood
Breathing