Tooth ________________________________________ is the hardest substance in the body
Fill in the blank(s) with correct word
enamel
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The degeneration of ovarian follicles that never become mature is called __________.
Fill in the blank(s) with the appropriate word(s).
The papillary muscles attach to the cusps of the atrioventricular valves by means of the
A. pectinate muscles. B. trabeculae carneae. C. conus arteriosus. D. tendinous cords. E. tricuspid valve.
In brown adipose tissue, thermogenin inserts into the inner mitochondrial membrane and serves to
A) Uncouple oxidation from phosphorylation. B) Enhance the proton motive force. C) Eliminate two of the steps of electron transport. D) More than one of the above
Which of the following does not contain ciliated cells?
A. Nasal cavity B. Terminal bronchiole C. Laryngopharynx D. Trachea E. Primary bronchus