A) \[HCl\] is too dilute
B) the epithelial cells are resistant to the action of\[HCl\]
C) \[HCl\]is neutralized by alkaline gastric juice
D) the epithelial cells are covered with a mucous secretion
Correct Answer: D
Solution :
The stomach and intestine are lining by columnar epithelium. The cells of columnar epithelium are tall broad at outer end am narrower at inner end. The mucus is secrete by this epithelia and protect it from HCl (the cardiac glands secretes mucus).
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