The first extraembryonic membrane to appear is the
A) chorion.
B) allantois.
C) placenta.
D) yolk sac.
E) amnion.
D) yolk sac.
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The bones of the fingers and toes (phalanges) are categorized as _____ bones
A. long B. irregular C. short D. flat E. sesamoid
The internal nose connects with the pharynx via two openings called the internal ____
a. vestibules b. nares c. cavities d. septa
What is the role of sustentacular cells in the olfactory epithelium?
A. Produce new bipolar receptor cells B. To form basal stem cells C. To oxidize volatile hydrophobic odorant molecules to make them less soluble D. To repair damaged receptor cells
Transitional epithelium is found
A) lining the urinary bladder. B) lining the ducts that drain sweat glands. C) lining kidney tubules. D) lining the stomach. E) at the surface of the skin.