48. What is the primary role of the vestibular system in humans?
(A) to detect and process visual information
(B) to maintain balance and spatial orientation
(C) to facilitate communication through speech and language
(D) to process and interpret sounds
(E) to detect and respond to changes in temperature

答案：登入後查看
統計： A(1), B(55), C(3), D(1), E(1) #3224829