Prostaglandins also make the heart, kidneys and blood vessels work well.

VOA: special.2009.10.20

It also helps the heart and nervous system work smoothly.

VOA: special.2009.04.21

Social issues were at the heart of Edward Kennedy's work.

VOA: special.2009.08.29

Then they add aerobic exercises that get the heart and lungs to work harder and promote circulation.

VOA: standard.2010.02.26