MCQOPTIONS
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| 1. |
The main buffer system of the human blood is |
| A. | H2CO3 - HCO3 |
| B. | H2CO3 - CO32- |
| C. | CH3COOH - CH3COO- |
| D. | NH2CONH2 - NH2CONH+ |
| Answer» B. H2CO3 - CO32- | |