Oxygen, which is one of the chemical elements, is necessary for us to breathe.

His body is very healthy.

He made three robots.

He exercises his body every day.

His body looks like that of an athlete.

His body build is like that of a sports player.

Radioactive elements are produced in nature and scientific experiments.

In this chemical reaction, a specific isotope is produced.

She wrote her name in cursive script.

This sentence is written in bold typeface.