• Question: How does your breathing increase your heart rate? Darren Carroll, Francis St CBS Dublin

    Asked by mrgoggin to Cathal, Ciara, Emma, Michael, Sive on 18 Nov 2013.
    • Photo: Michael Nolan

      Michael Nolan answered on 18 Nov 2013:

      As you take in more air you increase bood flow through the body to get that extra oxygen around. So your heart has to beat and work faster to do this.