If the fetus is positioned correctly during ultrasound, sex may be determined as early as ____ weeks

The ____ of hair cells respond to the movement of fluid through the organ of Corti

Fill in the blank(s) with the appropriate word(s).

Surveys suggest that when older adults have permanently impaired vision, these people:

A) want relatives to take over everything. B) use creative techniques to cope. C) feel a sense of relief. D) always get incredibly depressed.