Which tissue allows rapid communication between body structures?
a. epithelial tissue
b. connective tissue
c. muscle tissue
d. nervous tissue
d. nervous tissue
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Inhaling through the nostrils is preferred over the mouth because
A) there is less resistance to air flow. B) it combines olfaction with respiration. C) it allows better conditioning of the inhaled air. D) bacteria won't be inhaled from the oral cavity. E) it dries out the mouth.
A blockage of the ducts from the parotid glands would
A) result in the production of more viscous saliva. B) impair the lubricating properties of saliva. C) cause all of these effects. D) eliminate the sense of taste. E) interfere with carbohydrate digestion in the mouth.
Which of the following respiratory membrane layers is closest to air in the alveolus?
A. alveolar epithelium B. alveolar basement membrane C. capillary basement membrane D. capillary endothelium E. alveolar fluid (with surfactant)
Which of these sensory pathways carries afferent impulses that DON'T produce perceptions?
spinothalamic pathway fasciculus gracilis spinocerebellar pathway posterior column pathway