All of the following enhance the absorptive effectiveness of the small intestine except
A) the circular folds.
B) the villi.
C) the microvilli.
D) intestinal movements.
E) rugae.
E
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The ________ bone is unusual because it doesn't contact another bone
A) vomer B) lacrimal C) hyoid D) atlas E) ethmoid
The hip (coxal) bones articulate with each other at the ________
A) sacroiliac joint B) pubic symphysis C) puboischial joint D) ilioischial joint
Acquired immunity is a system in which lymphocytes respond to particular antigens they encounter during a lifetime. Another name for acquired immunity is ________ immunity.
Fill in the blank(s) with the appropriate word(s).
Mastication
A. increases the surface area of food particles. B. decreases the efficiency of digestion. C. occurs in both the mouth and stomach. D. is never under voluntary control. E. decreases the surface area of food particles.