The brain's inexperience in interpreting messages from the weightless _____ is the cause of the space sickness commonly experienced by two-thirds of all space travelers.
A)hair cells
B)otoliths
C)Eustachian tube
D)cochlea

Question

Quizplus · Accepted Answer

Otoliths are tiny calcium carbonate crystals in the inner ear that help the brain inform the body's orientation and movement. In microgravity, these otoliths float freely, giving the brain faulty signals and causing space sickness. The other options listed are not directly related to this phenomenon.

The Brain's Inexperience in Interpreting Messages from the Weightless _____