9. the are protrusions into the lumen inside the small intestine that create an increased surface area for nutrient absorption. a villa
b rugae
c sphincter
d uvula

10. imagine that you are tracking the path of fecal matter as it moves through the large intestines. which section of the large intestine comes immediately after the cecum?

a Sigmund colon
b descending colon
c ascending colon
d transverse colon
e rectum

11. GERD is a disease characterized by:

a gastric acid washing backwards up into the esophagus
b malabsobption of wheat gluten
c auto-immune attack on the bowel
d the formation of stones in the gallbladder ​