The center cavity of the diaphysis of a long bone is called the __________.
A. marrow cavity
B. central canal
C. nutrient foramen
D. canaliculus
E. epiphysis
A. marrow cavity
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Which of the following statements concerning hair is false?
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Compared to basal cell carcinoma, squamous cell carcinoma is
A. more common but less likely to spread. B. less common and less likely to spread. C. less common but more likely to spread. D. more common and more likely to spread.
The ________ is an embryonic membrane that serves as the origin of the first blood and germ cells
A) placenta B) allantois C) amnion D) yolk sac E) chorion