25-29, ANGLE, BACKGROUND, BREATH, CLOSE, CLOSED, COVERING, DAY, EQUIPMENT, EYES, FEMALE, GAS, HEALTH, HEALTHCARE, HIGH, ILLNESS, INDOORS, LIBRARY, MASK, MEDICAL, MEDICATION, MEDICINE, MOUTH, ONE, OPERATION, OVERHEAD, OXYGEN, PATIENT, PEOPLE, PERSON, PROCEDURE, RESUSCITATION, SCIENCE, UNCONSCIOUS, UNWELL, UP, VIEW, WOMAN, WOMEN, YEARS, YOUNG,