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STD 11 - 14. Breathing and exchange in gases — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 14. Breathing and exchange in gases4 Marks
MCQ
Carbon dioxide is transported in blood in the form of
  • A
    Haemoglobin
  • B
    Oxyhaemoglobin
  • C
    Carbonate
  • ✓
    Bicarbonate
✓

Answer

Correct option: D.
Bicarbonate
d
About $7 \%$ of carbon dioxide is transported as dissolved in plasma, $23 \%$ as carbaminohaemoglobin and $70 \%$ as bicarbonates. Most of the carbon dioxide that dissolved in blood plasma reacts with water to form carbonic acid. All carbonic acid of RBCs dissociates into hydrogen and bicarbonate ions, that bicarbonate ions diffuse from RBCs to blood plasma.

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