Homo erectus is considered one of the ancestors of mankind.

His music is very avant-garde, and some people might not understand it.

Erebus is the god of darkness and chaos in Greek mythology.

It is known that passive smoking has a negative impact on health.

He has a creative way of thinking.

He is dedicated to the study of immunochemistry.

In Australia, the cane toad is causing a big problem.

He is very famous as a music creator.

People with strong general immunity are less likely to catch a cold.

Mucosal immunity plays a crucial role in protecting our bodies from pathogens.