The toxic effect of carbon monoxide is due to its greater affinity for haemoglobin as compared to oxygen by (approx.) (in $\times$)

What is the amount of oxygen carried by $1 \, g$ of hemoglobin?

Select the correct option for the transport of $CO_2$ in the blood:
$RBCs \quad Plasma \quad Bicarbonate$

Chloride shift occurs in response to

Name the enzymes $A$ and $B$ in the following equation:
$CO _2+ H _2 O \underset{B}{\stackrel{A}{\rightleftharpoons}} H _2 CO _3 \underset{B}{\stackrel{A}{\rightleftharpoons}} HCO _3^{-}+ H ^{+}$

Hamburger phenomenon is also known as