Multiple Choice
Which term means a ring of muscle that remains contracted to close or guard an opening?
A) Villus
B) Bolus
C) Chyme
D) Sphincter
Correct Answer:

Verified
Correct Answer:
Verified
Related Questions
Q4: What do the chief cells in the
Q5: What is the first section of the
Q6: Which term means inflammation of the liver?<br>A)
Q7: Which term refers to infrequent or difficult
Q8: Which substance breaks down carbohydrates?<br>A) Pepsin<br>B) Gastrin<br>C)
Q10: The vermiform appendix is suspended from the
Q11: Which process is mixing and propulsion movements?<br>A)
Q12: Where can gallstones become lodged?<br>A) Appendix<br>B) Cystic
Q13: What do the parietal cells in the
Q14: Which structure is a J-shaped saclike organ