Which feature enables mammals to breathe and chew at the same time?
A. Large nasal conchae
B. The perpendicular plate of the ethmoid bone
C. The shape of the pterygoid process
D. A hard palate that separates the oral and nasal cavities
E. The presence of a hyoid bone
D. A hard palate that separates the oral and nasal cavities
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Helper T-lymphocyte activation involves MHC class I, whereas cytotoxic T-lymphocyte activation involves MHC class II
Indicate whether this statement is true or false.
Most of the nutrients in the filtrate are reabsorbed in the:
A. proximal convoluted tubule. B. distal convoluted tubule. C. loop of Henle. D. glomerular capsule.
Which of the following would be of most importance to goblet cells and other glandular epithelium?
A) microvilli B) Golgi bodies C) lysosomes D) multiple nuclei
Which layer of the GI tract is composed of areolar connective tissue that binds the mucosa to the muscularis?
a) Submucosa b) Lamina propria c) Epithelium d) Serosa e) None of these choices