Both the esophagus and trachea open to the ________.
A) pharynx
B) posterior oral cavity
C) posterior nasal cavity
D) larynx
Correct Answer:
Verified
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
Q15: What is the epiglottis?
A)a muscle that moves
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
Q21: Most humans need about _ kcal per
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