What protects stomach cells from acid and disease-causing bacteria?
A) hydrochloric acid
B) water
C) gastric glands
D) mucus
E) bile
Correct Answer:
Verified
Q13: What is the primary function of the
Q15: What do sphincter muscles do?
A) control peristalsis
B)
Q16: Which structure is required to prevent entrance
Q17: Which of the following defines lumen?
A) the
Q19: The pyloric sphincter opens into the _.
A) large
Q19: What is the primary function of the
Q20: Which of the following is NOT contained
Q22: What is the name of the projections
Q35: Glucose moves against a concentration gradient,which requires
Q37: Water and small lipids cross into the
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