He bought a new saw.

He bought a new saw.

He took a deep breath and regained his composure.

He took a deep breath to try to calm down.

He is doing special exercises to train his serratus anterior muscle.

It is important to do athletics every day to maintain health.

Exercising every day is important for maintaining health.

He was taken to the hospital because of pulmonary edema.

This is my first question.

He started a special exercise to train his serratus posterior inferior muscle.