question_answer

A gymnast is able to balance his body upside down even in the total darkness because of

A)                         cochlea                                

B) vestibular apparatus

C)  tectorial membrane

D)  organ of Corti

Correct Answer: B

Solution :

Vestibular apparatus or membranous labyrinth is an intricate series of inter-connected and fluid filled canals which regulates balance and spatial orientation in the absence of vision, the movement of body will be regulated only by vestibular apparatus. The otolith organs (utricle and saccule) regulates linear acceleration and semicircular canals sense rotational accleration in various directions. The cochlea, tectorial membrane and organ of Corti are responsible for transduction of sound waves.