I really think it was Wundt. Not 100% sure though
Answer:The brainstem has an ectodermal origin and is composed of 4 parts: the diencephalon, mesencephalon, pons, and medulla oblongata.
Explanation:
C. loud noise or music because infection and injury do not occur often and aging wouldn't make any sense.
A. Measure your heart rate before, and after workouts
Wholesalers are traditional "Middle Men" they buy large bulk from manufactures, most of the time with their own transportation (Their Niche) and they sell and deliver in smaller quantities to "Retailers" and charge more per unit.