Carbon dioxide is transported via blood to lungs mostly in which form?

  • A
    As carbaminohaemoglobin and as carbonic acid
  • B
    In the form of carbonic acid only
  • C
    In combination with haemoglobin only
  • D
    As bicarbonates

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Similar Questions

Plotting the percentage saturation of hemoglobin with $O_2$ against $PO_2$ results in a:

Which of the following factors contribute to the binding of $O_2$ with hemoglobin?

Haemoglobin $(Hb)$ transports oxygen from the lungs to tissues. The partial pressure of oxygen in the lungs is different from that in the tissues. Each $Hb$ can bind to up to four oxygen molecules. Suppose we have an equal number of $Hb$ and oxygen molecules,and all the oxygen molecules are in a bound form. Then,which of the following is true?

Which factors affect the dissociation of $O_{2}$ from $Hb$?

$A = CO_2$ is carried in the plasma mainly as $HCO_3^-$ ions.
$R =$ Carbonic anhydrase catalyzes the formation of $HCO_3^-$ ions.

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