Digestive secretion in humans is
A) under hormonal control only.
B) under nervous control only, as evidenced by Pavlov's experiments.
C) elicited by zymogens, inactive precursors of hormones secreted to prevent damage to the cells themselves.
D) regulated by feedback systems involving exocrine and endocrine hormones and the nervous system.
E) primarily under the control of bile secretions which emulsify fats.
Correct Answer:
Verified
Q10: Mass-specific food intake
A) increases linearly as body
Q11: The mouse-elephant curve (which relates body mass
Q12: The digestive process breaks large molecules into
Q13: Pepsin is
A) a zymogen.
B) directly elicited by
Q14: The stomach is protected from being digested
Q16: Gut passage rates
A) of herbivores are relatively
Q17: Elaboration of the stomach is characteristic of
A)
Q18: In foregut fermentation
A) the animal first digests
Q19: After digestion, molecules are absorbed across the
Q20: In general, animal intestines
A) do not change
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