medical stuff in a black gloves performing `clear and open tha airway` head tilt - chin lift on a simulation mannequin dummy

aid air airway ambulance anesthesiology basic basics black breath breathing chin clear clinic clinical control cough cpr device difficulty dummy education emergency equipment exhale gloves head health help ill illness inhale insertion life lift manage management manipulation mannequin medical medicine medicines open oxygen paramedic patient performing procedure pulmonary respiratory saturation silicone simulated simulation students stuff support tha tilt tool training treatment tube unhealthy university way