Each of the following is an example of a nonmembranous organelle except
A) lysosomes.
B) cilia.
C) centrioles.
D) ribosomes.
E) cytoskeleton.
A
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The first event in inspiration is
A) lung inflation. B) atmospheric pressure forces air into the respiratory tract. C) decreased intra-alveolar pressure. D) the diaphragm moves downward and the external intercostal muscles contract.
Which of the following is not a function of the digestive system?
A) ingest and digest food B) eliminate the undigested remains of food C) provide the body with nutrients D) control caloric intake
Specialized muscle fibers associated with detection of muscle length are
A. muscle spindles. B. Pacinian corpuscles. C. Ruffini end organs. D. Golgi tendon organs. E. Merkel disks.
Which body system is not involved in fluid, electrolyte, and acid-base balance?
A) cardiovascular B) muscular C) integumentary D) endocrine E) All systems produce metabolic wastes and therefore are involved in fluid and electrolyte balance.