Which of the following is NOT a chamber found in the cochlea?

A) Scala tympani
B) Vestibule
C) Cochlear duct
D) Scala vestibuli
E) All of these are chambers found in the cochlea.

Which blood vessels supplies blood to the pericardium, mediastinum, and the diaphragm?

A) ventral thoracic artery
B) internal mammary artery
C) vertebral artery
D) internal maxillary artery