What is the smallest level of structural organization in the human body?
A) tissue level B) organ level C) cellular level D) chemical level
Answer: D
Anatomy & Physiology
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Secretions that are discharged directly into the blood are characteristic of ________ glands.
A) exocrine B) merocrine C) endocrine D) apocrine E) holocrine
Anatomy & Physiology
Which mesentery connects the stomach to the inferior surface of the liver?
A) mesocolon B) mesentery proper C) greater omentum D) lesser omentum
Anatomy & Physiology
Pepsinogen, an inactive digestive enzyme, is secreted by the ________
A) parietal cells of the duodenum B) goblet cells of the small intestine C) Brunner's glands D) chief cells of the stomach
Anatomy & Physiology
Visual pigments are derivatives of
A) vitamin A. B) the vitreous body. C) the aqueous humor. D) vitamin K. E) vitamin E.
Anatomy & Physiology