Nurse training. A student regulates the oxygen flow into this tiny oxygen box where a premature infant "lives". Sourced from… https://www.rawpixel.com/image/12303692/image-person-hospital-manFree Image from public domain licenseNurse training. Care of prematurely born babies is one of the most complicated procedures which must be learned by the… https://www.rawpixel.com/image/12306457/image-background-person-hospitalFree Image from public domain license