Use This Figure to Answer the Corresponding Questions $\begin{array}{ll}\text { a. } & 1,2 \\\text { b. } & 2,1 \\\text { c. } & 3,1 \\\text { d. } & 4,1\\e.&2,4\end{array}$

Use this figure to answer the corresponding questions.
Letter ____ identifies the linear velocity of flow in mm/sec, while letter ____ identifies the blood flow rate in liters/min.
$\begin{array}{ll}\text { a. } & 1,2 \\\text { b. } & 2,1 \\\text { c. } & 3,1 \\\text { d. } & 4,1\\e.&2,4\end{array}$