The Surface Area of the Small Intestine Is Increased for Efficient

question 50

Multiple Choice

The surface area of the small intestine is increased for efficient absorption by the presence of:

• A)cilia on the smooth muscle
• B)microvilli on the smooth muscle
• C)microvilli on the columnar epithelium
• D)cilia on the columnar epithelium

---

Definitions:

Union Forces

The army and military resources of the United States (the North) during the American Civil War, battling against the seceding Confederate states.

Confederate Forces

Military forces representing the Confederate States of America during the American Civil War (1861-1865), primarily composed of volunteers and conscripts fighting for southern independence.

Indian Wars

A series of conflicts and battles between European settlers or the U.S. government and the indigenous peoples of North America, spanning from the early colonial period to the late 19th century.

Civil War

The Civil War was a conflict fought in the United States from 1861 to 1865, primarily over the issues of slavery and states' rights, resulting in the preservation of the Union.