Oxygen constantly diffuses from air or water into an animal's bloodstream. for this to happen, the concentration of oxygen in the blood must be (1 point). a. -greater than the concentration of oxygen in the air or water.. b.-greater than the concentration of carbon dioxide in the air or water.. c.-lower than the concentration of oxygen in the air or water.. d.-lower than the concentration of carbon dioxide in the air or water.
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Oxygen constantly diffuses from air or water into an animal's bloodstream. for this to happen, the c...
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