A person with a broken wrist goes there.
Orthopedics.
It fills prescriptions.
Pharmacy
People with skin problems go there.
Dermatology
People requiring immediate treatment go there.
Emergency
It performs organ transplants.
Surgery
You can have an X-ray taken there.
Radiology
It tests samples.
Pathology
People with heart problems go there
Cardiology
Pregnant women go there
Obstetrics