Minerals are found in all of the following except ________.
A. thyroid hormone
B. bones and teeth
C. vitamins
D. electrolytes
Answer: C
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A hormone whose effects last a long time has a ________ half-life.
Fill in the blank(s) with the appropriate word(s).
Label G represents the
A) tricuspid valve.
B) pulmonary (semilunar) valve.
C) aortic (semilunar) valve.
D) bicuspid valve.
E) left atrioventricular valve.
Due to the structure of the ________, a large amount of moisture is added to the respiratory system every day.
A. nares B. trachea C. conchae D. eustachian tubes
The intestinal phase of gastric secretion
A. only stimulates gastric secretion. B. will decrease gastric secretion when gastrin is released by the duodenum. C. leads to increased gastric secretion if duodenal pH falls below 2. D. is controlled by the entrance of alkaline material into the small intestines. E. is controlled by the entrance of acidic chyme into the duodenum.