The function of the lymphatic system is to protect the body from ________and to __________bacterial and nonbacterial products resulting from the inflammatory process.
Fill in the blank(s) with the appropriate word(s).
Ans: infection, filter
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Endocrine glands
A. secrete hormones directly into the bloodstream. B. are ductless glands. C. help maintain homeostasis. D. are the organs of the endocrine system. E. All of the choices are correct.
Which of the following statements is true?
A. Increased parasympathetic activity is consistent with increased physical activity. B. Structures receiving both dual autonomic innervation are regulated equally by both divisions. C. There is dual innervation of all organs. D. The sympathetic division diverges more than the parasympathetic division. E. One division of the ANS is always stimulatory, and the other is always inhibitory.
Vagal tone refers to the
A. decreasing of the heart rate below its inherent rhythm by parasympathetic stimulation. B. decreasing of the heart rate below its inherent rhythm by sympathetic stimulation. C. increasing of the heart rate above its inherent rhythm by sympathetic stimulation. D. increasing of the heart rate above its inherent rhythm by parasympathetic stimulation.
What do geniohyoid, hyoglossus, and stylohyoid have in common?
A) All names reflect direction of muscle fibers. B) Each acts synergistically to elevate the jaw. C) All act on the tongue. D) All names indicate the relative size of the muscle.