Etsuko went to pick up the child.

He had a narrow escape in that accident.

Please proceed one by one in order.

He made a long journey to visit the king.

He is doing special exercises to train his gluteus minimus muscle.

There is an orientation for new students tomorrow.

Cerebrospinal fluid plays an important role in protecting the brain and spinal cord.

I am majoring in immunology at university.

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

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