It is important to understand the importance of health.

Organic solvents play an important role in chemical reactions.

Please use the emergency stairs in case of a fire.

Due to the earthquake, the city declared a state of emergency.

He is expressing himself by doing transvestism.

I learned about geometric isomerism in organic chemistry class.

His body is very healthy.

He made three robots.

He exercises his body every day.

His body looks like that of an athlete.