________ is the attraction of leukocytes to a site of infection due to the presence of molecules released by damaged cells, dead cells, or invading pathogens.
Fill in the blank(s) with the appropriate word(s).
Chemotaxis
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Pheromones differ from hormones in that
A. they are transmitted between members of different species. B. they are transmitted between members of the same species. C. they are only found in plants and fungi. D. they act only within an individual.
Nerves that pass through the sympathetic chain without synapsing innervate which structure?
A. Heart B. Stomach C. Sweat glands D. Lungs E. Piloerector muscles
Which of the following laryngeal cartilages is/are not paired?
A) epiglottis B) arytenoid C) cricoid D) cuneiform E) corniculate
The boundary between conducting zone and respiratory zone structures occurs at the ________
A) terminal bronchiole/respiratory bronchiole junction. B) tracheal/main (primary) bronchi junction C) tertiary bronchi/bronchiole junction D) secondary bronchi/tertiary bronchi junction