Which of the following muscles is the prime mover for inhalation?
A. Hyoglossus
B. External intercostals
C. Diaphragm
D. Internal intercostals
E. Stylohyoid
Answer: C
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The nasal conchae
A) attach muscles that move the eye. B) contain the nerves for olfaction. C) create turbulence in the nasal passageways. D) protect the pituitary gland. E) attach muscles that move the mouth.
What are two parts of the nervous system that send and receive information?
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During a biology lab, Erin used a cotton swab to remove some tissue from the inner side of her cheek. She then placed the tissue on a slide to examine it under the microscope. Why was the tissue able to be removed so easily without causing injury to the rest of Erin's cheek?
a. The tissue contained abundant amounts of ground substance to keep the tissue puffy and relatively intact. b. The tissue contained multiple layers of cells, so removing a few cells wouldn't harm the rest of the tissue. c. The tissue contained lots of blood vessels, so blood filled any gaps left when the original cells were removed. d. The remaining cells were interconnected by intercalated discs, which formed a strong bond between the cells.