Most simple invertebrates obtain their oxygen by diffusion directly from the surrounding
A) mud.
B) air.
C) water.
D) blood.
Correct Answer:
Verified
Q3: When is the PO2 an especially strong
Q4: What change would increase the rate of
Q5: Fish and crustaceans are similar in that
Q6: Q7: Ciliated gills in clams, sharks continuously Q8: The exchange of gases across a respiratory Q9: In tissue capillaries, _ combines with water Q10: Imagine that you have been transported light Q10: Which blood vessels carry oxygenated blood? Q11: The large number of alveoli in
A)pulmonary veins
B)systemic
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