Arrange the words given below in a meaningful manner?
1. Treatment 2. Patient 3. Diagnosis. 4. Doctor 5. Bill

2,4,3,1,5

Patient → Doctor → Diagnosis → Treatment → Bill  ( 2, 4, 3, 1, 5)

The patient first goes to the doctor for treatment and gets himself diagnosed with the problem. After that, the respective treatment starts, and eventually a bill is handed over to the patient.