In _____, at least three different shapes of P waves can be observed on an EKG tracing

Heart beat, breathing, and the cardiovascular system are controlled by the ________

A) midbrain B) cerebellum C) cerebrum D) medulla oblongata

Patients with nervous system disorders may have a wide variety of signs and symptoms, but the most common are headache, muscle weakness, and _______________, or loss of feeling. 

Fill in the blank(s) with the appropriate word(s).