Although much carbon dioxide is carried in blood,yet blood does not become acidic because

  • A
    $CO_2$ is continuously diffused through the tissues and is not allowed to accumulate
  • B
    $CO_2$ combines with water to form $H_2CO_3$,which is neutralized by $Na_2CO_3$
  • C
    In $CO_2$ transport,blood buffers play an important role
  • D
    $CO_2$ is absorbed by leucocytes

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Select $(1)$ and $(2)$ from the given options for the reaction: $Hb + O_2 \rightleftharpoons HbO_2$

Which of the following factors shift the $HbO_2$ dissociation curve to the right?

If $pH$ of blood is artificially changed to $8$,what is most likely to happen?

$CO_{2}$ diffuses into ...$A$... and forms $HCO_{3}^{-}$ and $H^{+}$. At the ...$B$... site where $pCO_{2}$ is low, the reaction proceeds in the opposite direction.
Thus, $CO_{2}$ is trapped as ...$C$... at the tissue level and transported to alveoli is released out as ...$D$...
Select the right choice for $A, B, C$ and $D$ to complete the given $NCERT$ statement.

Which enzyme is necessary for the synthesis of carbonic acid?

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