What mechanical process moves the bolus through the esophagus?
A. Peristalsis
B. Segmentation
C. Swallowing
D. Mass movement
Answer: A
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The pharyngeal tonsils are located
A. in the posterolateral region of the oral cavity. B. at the base of the palatoglossal arches. C. lateral to the uvula in the oropharynx. D. along the posterior margins of the tongue. E. in the posterior wall of the nasopharynx.
Cattle produce 15% of their body weight in wastes on a daily basis
Indicate whether the statement is true or false
The thin layer of muscle in the wall of the GI tract that can change the shape of the lining is called the:
a. musocsa b. muscularis mucosa c. muscularis externa d. lamina propria
Energy can change forms, but cannot be created or destroyed is a statement of the ________.
A. second law of thermodynamics B. first law of thermodynamics C. law of mass action D. third law of thermodynamics