Action potential is an important mechanism for nerve cells to transmit information.

He is actively participating in social movements.

He is passionately engaged in extracurricular activities.

Every weekend, I do volunteer work at a local shelter.

Kaya is my best friend.

He finished his work and went home at midnight.

He was working until late at night.

He is clearly a night owl, working late into the night and sleeping late into the morning.

In Hinduism, Yama is considered the god who judges the souls of the dead.

Senya is my best friend.