Oxygen--haemoglobin dissociation curve:
\[
\boxed{
\begin{aligned}
\text{Right shift} &\rightarrow \uparrow \text{CO}_2,\ \uparrow T,\ \downarrow pH
\text{Left shift} &\rightarrow \downarrow \text{CO}_2,\ \downarrow T,\ \uparrow pH
\end{aligned}
}
\]