What is the epiglottis?
A) a muscle that moves the esophagus into line with the pharynx during swallowing
B) a muscle that sends food into the esophagus during swallowing
C) a flap that flips down to cover the entry to the trachea during swallowing
D) a muscular sphincter that closes off the entry to the trachea during swallowing
Correct Answer:
Verified
Q10: Digestion is _.
A)the absorption of nutrients
B)the breakdown
Q11: What is the usual cause of heartburn?
A)backflow
Q12: Muscular contraction moves food through the alimentary
Q13: Which process is an example of mechanical
Q14: When the wall of the stomach fails
Q16: Both the esophagus and trachea open to
Q17: The normal flow of contents in the
Q18: The tongue has all of these functions
Q19: What is the order of the four
Q20: Digestion begins in the _.
A)oral cavity
B)esophagus
C)pharynx
D)stomach
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