god, will help you! And dont use this site,
The clam has two siphons. The excurrent siphon (which expels water and waste out of the clam) and the incurrent siphon (which brings oxygen and food and water into the clam).
oxygen is absorbed into the clam through the incurrent siphon, and carbon dioxide is exported out of the clam through the excurrent siphon
Our body obtain oxygen to our body by breathing.
Crustaceans obtain oxygen through gills.
They lead to the gut. It just gives oxygen! Hope this helps!
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.
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.