The __________ forms by endochondral ossification.
A. frontal bone
B. humerus
C. clavicle
D. temporal bone
E. parietal bone
B. humerus
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Cells of the neuroectoderm become all of the following EXCEPT the ________.
A. spinal cord B. brain C. postganglionic autonomic neurons D. posterior pituitary gland
Which of the following muscles insert(s) on the patella?
A. Soleus B. Adductors of the thigh C. Quadriceps femoris group D. Hamstring group E. Sartorius
The lacrimal sacs drain directly into the:
a. oropharynx b. laryngopharynx c. nasal cavity d. larynx
Olfactory receptors
a. are specialized endings of afferent neurons, not separate cells. b. when stimulated send impulses both to the limbic system for coordination between smell and behavior and to the thalamus and cortex for perception of smell. c. are replaced about every two months. d. both (a) and (b) above. e. all of these answers.