Question

question 11
the folds in the lining of the stomach are called:
a chyme.
b rugae.
c fundus.
d sphincters.

Explanation:

• Chyme is the semi - fluid mass of partly digested food that is expelled by the stomach, into the duodenum.
• Rugae are the folds in the lining of the stomach. They allow the stomach to expand when it is filled with food and also help in mixing the food.
• The fundus is a part of the stomach (the upper part).
• Sphincters are circular muscles that can open and close. For example, the lower esophageal sphincter and the pyloric sphincter in the stomach region.

Answer:

B. rugae