Heartburn is caused by ________.
A) acid surrounding the heart muscle
B) acid and other digestive enzymes within the heart muscle
C) the backflow of acidic stomach contents into the esophagus
D) None of these choices are accurate.
Correct Answer:
Verified
Q31: The stomach can absorb _.
A)proteins or amino
Q32: Most of the digestive processes occur in
Q33: Saliva contains _.
A)an amylase
B)mucus
C)intrinsic factor
D)an amylase and
Q34: Which substances can be absorbed in the
Q35: The salivary glands produce about _ cup(s)of
Q37: Villi are found mainly in the _.
A)large
Q38: The stomach is protected from digesting itself
Q39: Muscular waves in the stomach mix and
Q40: The small intestine is divided into three
Q41: Fiber and starches not digested in the
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