Human development is studied from a scientific perspective, meaning that its methods of study are:
a. objective
b. important
c. based on cases of individuals
d. based on random samples of individuals
a
Psychology
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On a graph in behavior modification, the _____ axis shows the level of the behavior
Fill in the blank(s) with correct word
Psychology
The vital capacity of the lungs drops about _____ percent per decade
4 8 12 16
Psychology
The first step in the visual process takes place when the __________ bends light rays in toward the pupil
a) cornea b) lens c) iris d) retina
Psychology
Vital capacity is reduced by half between ages 25 and 80 because
A) lung tissue gradually loses its elasticity. B) the lungs shrink as their cells die. C) the blood absorbs more oxygen and gives off less carbon dioxide. D) the rib cage can no longer expand as much.
Psychology