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

  • Option 1)

    Tectorial membrane

  • Option 2)

    Organ of corti

  • Option 3)

    Cochlea

  • Option 4)

    Vestibular apparatus

 

Answers (1)

As we discussed concepts

Vestibular apparatus -

The inner ear also contains a complex system called vestibular apparatus, located above the cochlea.

- wherein

The vestibular apparatus is composed of three semi-circular canals and the otolith (macula is the sensory part of saccule and utricle). Each semi-circular canal lies in a different plane at right angles to each other. The membranous canals are suspended in the perilymph of the bony canals.
 

 

 and

Crista Ampullaris -

The base of canals is swollen and is called ampulla, which contains a projecting ridge called crista ampullaris which has hair cells.

- wherein

The saccule and utricle contain a projecting ridge called macula. The crista and macula are the specific receptors of the vestibular apparatus responsible for maintenance ofbalance  of the body and posture.

 

 Vestibular apparatus maintains body balance & posture.

 


Option 1)

Tectorial membrane

This option is incorrect.

Option 2)

Organ of corti

This option is incorrect.

Option 3)

Cochlea

This option is incorrect.

Option 4)

Vestibular apparatus

This option is correct.

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