Which layer of the digestive tract contains blood and lymph vessels and nerve cells?
A) mucosa
B) submucosa
C) serosa
D) smooth muscle
E) endothelium
Correct Answer:
Verified
Q15: The process that releases digestive enzymes is
A)
Q16: The process that moves nutrients into the
Q17: The process that excretes undigested and unabsorbed
Q18: Sphincters
A) are muscles in longitudinal arrangement.
B) prevent
Q19: Which process propels the food down the
Q21: The folds of the stomach are called
A)
Q22: Hydrochloric acid in the stomach aids in
A)
Q23: "Heartburn" is caused by
A) HCl sloshing back
Q24: Mucins in saliva are used to
A) digest
Q25: Which of the following functions does the
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