C) neural crest.
A) hindbrain.
B) midbrain.
C) forebrain.
A) hindbrain.
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The life stage at which the reproductive organs become capable ________.
A. is puberty B. is birth C. varies between males and females D. is menopause
Which of the following food groups are considered good sources of complete proteins?
A) egg yolk, fish roe, and grains B) corn, cottonseed oil, soy oil, and wheat germ C) eggs, milk, yogurt, meat, and fish D) lima beans, kidney beans, nuts, and cereals
Which cells are responsible for the breakdown of bone?
A. C cells B. Osteoblasts C. Osteogenic cells D. Osteoclasts E. Haversian cells
In which direction do fluids and solutes move in each of the three kidney processes?
A) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the peritubular fluid into the tubular fluid. B) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the tubular fluid into the peritubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space. C) During filtration, fluids move from the glomerular capillaries into the capsular space; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the tubular fluid into the peritubular fluid. D) During filtration, fluids move from the tubular fluid into the peritubular fluid; during reabsorption, fluids move from the peritubular fluid into the tubular fluid; during secretion, fluids move from the glomerular capillaries into the capsular space. E) During filtration, fluids move from the peritubular fluid into the tubular fluid; during reabsorption, fluids move from the glomerular capillaries into the capsular space; during secretion, fluids move from the tubular fluid into the peritubular fluid.