Sharks are a fish. Fish have gills that extract oxygen directly from the water in which they live.
Swimming helps to force water through the shark's gills, providing the shark with oxygen; the shark may not get enough oxygen otherwise.
Our body obtain oxygen to our body by breathing.
Crustaceans obtain oxygen through gills.
The gills of a shark (and other fishes) extract oxygen from the water, allowing the shark to breath.
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
In Saints Row: The Third, you can obtain the Shark Gun by completing the "Shark Attack" mission. This mission is part of the "The Trouble with Clones" quest line. Once you complete it, the Shark Gun will be added to your arsenal, allowing you to use this unique weapon in the game.
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.