During the weightlessness of space, sensory conflict can be especially intense since the _____ send unexpected signals to the brain, and head movements are no longer confirmed by the _____.
A)auditory ossicles; tympanic cavities
B)otolith organs; semicircular canals
C)olfactory bulbs; dysosmia organs
D)scala vestibuli; cochlea sacs

Question

Quizplus · Accepted Answer

The otolith organs (specifically the utricle and saccule) send unexpected signals to the brain during weightlessness, and head movements are no longer confirmed by the semicircular canals, which detect rotational movement. The structures listed in the other answer choices are not related to balance and spatial orientation in the same way as the otolith organs and semicircular canals.

During the Weightlessness of Space, Sensory Conflict Can Be Especially