The onset of puberty is signaled by

A. emotional upheaval.
B. a growth spurt.
C. a halt to growth.
D. the ability to obtain a drivers license.
E. attainment of full adult stature.


Answer: B

Anatomy & Physiology

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Depolarization of the ventricles is represented on an electrocardiogram by the

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After taking their wedding vows, a bride and groom often ceremonially use which of the following muscles before walking away from the altar?

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