Answer:
C!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
They can breathe in oxygen.
Explanation:
By letting it flow over there gills it helps them make oxygen.
C organs because molecules combine to form cells and organs combine to make organ systems
Do you know da way why are you running why are you running
<span>Cytosis requires energy, and the production of energy depends on oxygen. Diffusion does not require energy.</span>
