Refer to the figure showing the intestinal surface area of various organisms. In the figure of the human intestine, what is the structure labeled E, and what is its function?
A) Villus; contracts, contributing to the wave of peristalsis
B) Mucosa; produces mucus
C) Peritoneum; protects the surface of the intestine
D) Microvillus; increases absorptive surface area
E) Cilium; moves chyme through the intestine

Question

Refer to the figure showing the intestinal surface area of various organisms.  In the figure of the human intestine, what is the structure labeled E, and what is its function?
A) Villus; contracts, contributing to the wave of peristalsis 
B) Mucosa; produces mucus 
C) Peritoneum; protects the surface of the intestine 
D) Microvillus; increases absorptive surface area 
E) Cilium; moves chyme through the intestine

Quizplus · Accepted Answer

The structure labeled E on the figure of the human intestine is a microvillus. Microvilli are small, finger-like projections that increase the surface area of the small intestine, allowing for more efficient absorption of nutrients.

Refer to the Figure Showing the Intestinal Surface Area of Various