I told you you've got to work on your breathing.

She could feel it as a pressure on her breathing.

For a moment, he couldn't do anything except focus on breathing.

I was still trying to catch up on my breathing.

The man behind the desk had given up on breathing.

He had to turn away and concentrate on his breathing for a moment.

Both felt an oppression on their breathing when they were left together for some time.

The spray had no effect on blood pressure, heart rate or breathing.

Focus on your breathing as you relax in this position for a few minutes.

Some approaches teach people how to focus on their breathing.