|
|
|
|
| Buffer –
equilibrium between a |
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| weak acid and
its dissociation |
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| products.
Maintains a narrow |
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| pH range of 7.35 to
7.45. |
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|
|
|
|
|
| From |
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| cellular |
||||
| respiration |
||||
| equilibrium |
| p |
|
|
|
| Carbonic |
||
| acid |
||
| bicarbonate |
| To
expired air |
| p Carbonic anhydrase required. |