The cathode of this battery is made of copper.

He ascended to the throne as an emperor at a young age.

He acceded to the imperial throne at a young age.

In this situation, I'm thinking about which piece to move.

He was in charge of the musical arrangement of the song.

He arranged the music.

This curve has a beautiful shape.

In my electoral district, a new candidate will run.

I caught a cold, so I went to the pharmacy.

Depolarization plays an important role in the activity of nerve cells.