What are the two types of vestibular organs in the human body?

The two types of vestibular organs in the human body are indeed the otolith organs and semicircular canals. The otolith organs, which include the utricle and saccule, are responsible for detecting linear acceleration and the effects of gravity. They contain tiny crystals that move with head tilts or linear movements, helping the brain to understand changes in position relative to gravity.

On the other hand, the semicircular canals are arranged in three planes and are primarily responsible for detecting rotational movements of the head. They contain fluid that moves in response to head rotation, which stimulates hair cells inside them, sending signals to the brain about the body's orientation in three-dimensional space.

Together, these two types of organs play crucial roles in maintaining balance, spatial orientation, and coordination. Understanding these structures underscores the complex nature of the vestibular system and its importance in everyday activities that involve movement and balance.