Question
Asked Nov 2, 2019
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How do Po2 and Pn2 change with increasing depth? What are the consequences for human divers as a result of
these changes
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Expert Answer

Step 1

The inhaled air is a mixture of gases, and the pressure contributed by a single gas in the mixture is called the partial pressure of the particular gas.  The partial pressure of oxygen (PO2) and the partial pressure of nitrogen (PN2) represent the amount of oxygen (O2) and nitrogen (N2) gas dissolved in the blood.

Step 2

Values of both PO2 and PN2 increase with increase in depth. This happens because as depth increases, the pressure on the diver of both air and wat...

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Animal Physiology and Biochemistry

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