False
23.
An important function of the skeletal system is acting as a framework for muscles.
True
False
24.
Paul is involved in several afterschool activities, and he also has a part-time job. Because of his schedule, he often has to study late at night. Paul remembers that when he had a cold, he took a medicine that made him have trouble sleeping. He starts taking that cold medicine again to help him stay awake to study. This is an example of