Involuntary muscle contractions move food through the intestinal tract. The movement that forces the contents back a few inches before pushing it forward again is called ____.
a. segmentation
b. rotation
c. peristalsis
d. liquefaction
e. digestion
Q. 2Where is Little Havana, the U.S. community where the majority of Cubans live?
a. Miami, FL
b. New York City
c. The Bronx
d. The Florida Keyes
e. Los Angeles, CA
Q. 3Peristalsis is a term that refers to the ____.
a. circulation of blood in the blood vessels
b. absorption of food in the intestines
c. mixing and moving of food through the lymphatic system
d. action of the involuntary muscles of the digestive tract
e. breakdown of food in the stomach
Q. 4Over 25 percent of Puerto Ricans reside in what U.S. state?
a. Florida
b. New Jersey
c. Pennsylvania
d. New York
e. California
Q. 5Immediately before passing into the large intestine, the food mass must pass though the ____.
a. pyloric sphincter
b. lower esophageal sphincter
c. ileocecal valve
d. bolus
e. pancreas
Q. 6Marielitos are mostly poor, 1980 arrivals from what Caribbean Island?
a. Cuba
b. Puerto Rico
c. Dominican Republic
d. Haiti
e. Jamaica
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