The gonads

A. are the male testes and female ovaries.
B. secrete sex hormones.
C. produce gametes.
D. are dormant until puberty.
E. All of the choices are correct.


E

Anatomy & Physiology

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_______ is a fine, unpigmented, downy hair that first appears on the fetus in the last trimester of development

Fill in the blank with correct word.

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A special type of mixing movement of chyme in the small intestine is called

A. peristalsis. B. mass movement. C. absorption. D. segmentation.

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Compared to a solution with a pH of 7, a solution with a pH of 4 is

?A.  more acidic and has a 1,000-fold increase in [H+].?B.  more acidic and has a 300-fold increase in [H+].?C.  more basic and has a 1,000-fold increase in [H+].?D.  more basic and has a 300-fold increase in [H+].?E.  more basic and has a 300-fold decrease in [H+].

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The term "tonicity" refers to

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Anatomy & Physiology