Match the following.
\[
\begin{array}{|c|l|c|l|}
\hline
\text{List-I} & & \text{List-II} & \\
\hline
A & \text{Astrocytes} & \text{I} & \text{Phagocytes} \\
\hline
B & \text{Oligodendrocytes} & \text{II} & \text{Neurilemma} \\
\hline
C & \text{Microglial cells} & \text{III} & \text{Myelin sheath} \\
\hline
D & \text{Schwann cells} & \text{IV} & \text{Ciliated cells} \\
& & \text{V} & \text{Blood--brain barrier} \\
\hline
\end{array}
\]