Which of the following structures are tubes?
A. Frontal, maxillary, sphenoidal, ethmoidal
B. Eustachian, pharynx, bronchi
C. Cilia, adenoids, mucous, epiglottis
D. Apex, base, hilum
health - SraJMcGin, Saturday, November 12, 2011 at 2:09am
And your choice is? You could look each word up in a dictionary to help decide.
health - Anonymous, Thursday, May 22, 2014 at 9:32am
which of the following strutures are tubes?
A. eustachain, pharynx, bronchi
B. Frontal, Malillary, Sphenoidal, Ethmoidal
C. Apex,base, Hilum
D. Cilia, adenoids, mucous, epiglottis