Select the answer with correct matching of the structure,its location,and its function.

• A
  Eustachian tube $\Rightarrow$ Anterior part of internal ear $\Rightarrow$ Equalizes air pressure on either sides of tympanic membrane
• B
  Cerebellum $\Rightarrow$ Midbrain $\Rightarrow$ Controls respiration and gastric secretions
• C
  Hypothalamus $\Rightarrow$ Forebrain $\Rightarrow$ Controls body temperature,urge for eating and drinking
• D
  Blind spot $\Rightarrow$ Near the place where optic nerve leaves the eye $\Rightarrow$ Rods and cones are present but inactive here