A study analyzing brain content has found that gray matter __________ and white matter __________ through the 20s and 30s.
A. decreases; increases
B. decreases; decreases
C. increase; decreases
D. increases; increases
Answer: A
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What describes the most important physical changes of midlife in terms of the reproductive system as fertility declines in males and females?
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Sound can best be thought of as __________.
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In Selye's conceptualization of stress, stress is a response
Indicate whether the statement is true or false