Each haemoglobin molecule can carry a maximum of

Describe: Transport of $CO_{2}$.

Identify the correct group of statements:
$I.$ Oxygen is carried by haemoglobin
$II.$ Oxygen is carried by carbonic anhydrase
$III.$ $CO_{2}$ is carried by haemoglobin
$IV.$ $SO_{2}$ is carried by haemoglobin
$V.$ Only oxygen is transported by the blood
$VI.$ Only $CO_{2}$ is transported by the blood
Choose the correct option.

Every $100 \ ml$ of deoxygenated blood delivers approximately $.......$ of $CO_2$ to the alveoli $:$ (in $ml$)

The process by which chloride ions pass into $R.B.C.$ and bicarbonate ions pass out is called

Carbon dioxide is transported in blood in the form of