Jawless fish. The class Agnatha is a class made up of jawless fish. It excludes all vertebrates with jaws.
Klay does not have to worry about anything blowing up or inhailing harmful gases.
Respiratory system and Circulatory system :P
Answer:
<h3>The oxygen in the glucose molecule comes<u><em>
from the carbon dioxide</em></u>, which is used in the Calvin Cycle. As you mentioned, the oxygen in water is broken down in the non-cyclic phosphorylation process to obtain an electron which can be used in the photosystem I and II to form ATP and NADPH</h3>
