Doctor*ology

Cardi*ology (1x4)

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Robert's uncle may just give him a heart attack before the day is done. Fortunately for Robert, today they're investigating the specialty of cardiology. Dr. Basmadjian, a Cardiologist, explains that the heart is a motor with plumbing and electrical aspects and that there are three types of cardiologists: plumbers, electricians, and photographers, or echocardiologists.