His opinion is very important.

Neuroglia play an important supporting role in the nervous system.

Something is protruding from the wall.

There was a small protrusion on the wall, and I bumped into it.

This information is very important.

There are many children in this park.

There are many people in this room.

Multinational corporations have bases all over the world.

Oligodendrocytes play a role in supporting the nerve cells of the central nervous system.

He is very sensitive to sound.