20. The most important ACID resistant in the plasma of human being is
A. $\mathrm{H}_{2} \mathrm{PO}_{4}^{-}$
B. $\mathrm{HPO}_{4}^{2-}$
C. $\mathrm{HCO}_{3}^{-}$
D. $\mathrm{H}_{2} \mathrm{CO}_{3}$

Answer

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Answer

The most important ACID resistant in the plasma of human beings is $\boxed{\mathrm{HCO}_{3}^{-}}$

Steps

Step 1 ：The most important ACID resistant in the plasma of human beings is $\boxed{\mathrm{HCO}_{3}^{-}}$