Difussion occurs from a high concentrated region to a low concentrated region. The velocity of diffussion is proportional to the differential of concentrations. In the lung arrives blood with low levels of oxygen while the long is rich with fresh oxygen so the oxygen flows from the lung tissues to the blood.
The other tissues consume oxygen continually them they get poor in oxygen and so the oxygen that is in the blood diffuses to the tissue that is poor in oxygen.
Answer: um i think 52 maybe sory if this answer was not helpful
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Individuals in earlier stages are more reliant on the older generations, while those in the generativity vs. stagnation stage are concerned with giving to the next
The answer is B, social cognitive theory.
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