A breathing machine can also be referred to as a ventilator, respirator, or an artificial lung. It is a medical device that is utilized to support or replace a person's natural breathing process through the delivery of oxygen and air. Another synonym for a breathing machine is a mechanical ventilator, which is commonly used in hospitals and intensive care units to help patients who are unable to breathe on their own. Other terms that can be used to refer to this machine include mechanical breathing apparatus, positive pressure ventilation machine, and life support ventilator. Regardless of the name used, these machines play a vital role in respiratory care and can save the lives of individuals with compromised breathing ability.