The somatic system governs
a. muscle movements.
b. involuntary activities.
c. glandular secretions.
d. heart rate and breathing.
ANSWER: a
Psychology
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Which of the following act as protective factors for teen girls, causing them to decrease their
likelihood of pregnancy? a. Good grades b. Communication with their mothers about sex and contraception c. Having educational goals d. All of the above
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A flute and a piano are both playing a note with a fundamental frequency of 1138 Hz. Why do the two instruments sound different?
A. The two notes differ slightly in perceived frequency. B. The dynamics differ between the two instruments. C. Each instrument has a different pattern of higher harmonics. D. Pianos play an octave lower than other instruments.
Psychology