Premium Content Subscriber only Supplies of the essential liquid to all human life - blood - are low in Central Queensland with 5000 donors needed in the next fortnight. Delivering nutrients and oxygen to cells and transporting metabolic waste products away from those cells, litres of the vital red fluid are consumed every day in the region. To increase supplies, Australian Red Cross Lifeblood is calling for new blood donors to step up in Gladstone and Rockhampton. It only takes up to an hour of your time, but you could help save three lives. Over the next two weeks Australian Red Cross Lifeblood needs to fill 400 appointments in CQ.