In the upper digestive tract,mechanical breakdown occurs in the __________.
A) mouth
B) esophagus
C) stomach
D) A and B
E) B and C
Correct Answer:
Verified
Q32: The organs of the upper digestive tract
Q34: Peristalsis is involved in _.
A) moving food
Q36: The stomach is composed of muscle tissue,and
Q38: What is peristalsis?
Q39: In the upper digestive tract,enzymes are produced
Q42: Chemical digestion of proteins begins in the
Q42: Discuss the roles of the accessory digestive
Q43: Chemical digestion of carbohydrates begins in the
Q57: One main role of the stomach is
Q74: MOST of the enzymes used in digestion
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