What percentage of $CO_2$ is transported in the form of bicarbonate in the blood (in $\%$)?

Reduction in $pH$ of blood will

With reference to the oxyhaemoglobin dissociation curve,select the $INCORRECT$ statement/statements.
$I$. $100\%$ saturation is very common.
$II$. $95-97\%$ saturation takes place at $ppO_2 = 100 \text{ mm Hg}$ in alveoli.
$III$. At $30 \text{ mm Hg}$ of $ppO_2$,only $50\%$ saturation can be maintained.
$IV$. The oxyhaemoglobin dissociation curve is $J$-shaped.
Select the correct option.

Every $100\; mL$ of deoxygenated blood delivers approximately?

Haemoglobin $(Hb)$ is a

Under normal conditions,what amount of $O_{2}$ is delivered to the tissues by $100\; mL$ of oxygenated blood (in $; mL$)?