The small intestine is specialized for absorption. The absorptive effectiveness is enhanced by increasing the surface area of the intestinal wall. Which of the following accomplish this task?
A) plicae circulares and intestinal villi
B) digestive enzymes
C) intestinal glands
D) the rugae
A
Explanation:
B) Digestive enzymes do not increase the surface area of the small intestine.
C) Intestinal glands do not increase the surface area of the small intestine.
D) The rugae are found in the stomach.
You might also like to view...
Food in your stomach is in direct contact with ______ tissue
a. connective b. epithelial c. glandular d. muscle e. nervous
The velocity of shortening ______
A) decreased as the weight increased and increased as the weight decreased B) decreased as the weight increased C) increased as the weight decreased D) increased as the weight increased
Which ligament of the liver is a remnant or leftover piece of the umbilical vein?
A. Hepatic ligament B. Falciform ligament C. Round ligament D. None of these are correct.
What is the role of pacemaker cells?
A. They are part of the intracellular cytoskeleton. B. They are shallow invaginations of the plasma membrane. C. They maintain relatively constant tension for a period of time. D. They are enzymes that remove phosphate from myosin. E. They rapidly develop action potentials.