A particularly rich plexus of veins is present in the connective tissue of which respiratory struc-ture?
a. Bronchiole
b. Larynx
c. Nasal concha
d. Olfactory epithelium of the anterior nasal cavity
e. Primary bronchus
ANS: C
The moist, convoluted, and highly vascularized surfaces of the nasal conchae function to warm and humidify the air entering the respiratory system.
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Neuropeptides that affect a neuron's response to other neurotransmitters are called ________.
Fill in the blank(s) with the appropriate word(s).
The thymus is associated with which organ system?
A) nervous B) respiratory C) digestive D) urinary E) endocrine
Blood pressure in the large systemic arteries is greatest during:
isovolumetric diastole atrial systole isovolumetric systole systolic ejection none of the choices are correct
Which of the special senses contains receptor neurons that are the only nerve cells in direct contact with the outside environment?
A. equilibrium B. hearing C. smell D. taste E. vision