Science Homework Help

1.  Sound waves enter the external auditory canal and cause vibrations in structures and fluids of the ear.  Identify in order the structures and fluids that vibrate in the pathway from the external auditory canal to the spiral organ of Corti.

2.  Describe a series of movements that would stimulate all semicircular duct receptors and if repeated may cause vertigo.  (Hint: Think of a carnival ride that causes vertigo.)