Nurses play an integral role in the healthcare system. This is why they have been correctly referred to as the heart of healthcare. Being a nurse is one of the most demanding professions in the world and needs a lot of dedication and commitment to the job. - See more at: http://www.nursetogether.com/6-roles-nurses-play-truly-make-them-heart-healthcare#sthash.kju7xOPd.dpuf