Contraction of the ________ Layers of the Intestinal Wall Functions

question 28

Multiple Choice

Contraction of the ________ layers of the intestinal wall functions to both agitate materials and propel them along the digestive tract.

• A) mucosa
• B) submucosa
• C) serosa
• D) muscularis externa
• E) adventitia

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Definitions:

Serous Membrane

A thin layer of tissue that lines certain internal cavities of the body, producing a serum-like fluid to lubricate and reduce friction between internal organs.

Pubic Lice

Small parasites that infest the human genital area, causing itching and discomfort; also known as crabs.

Host

An organism that harbors a parasite, or a computer that serves as a source of information or resources for other computers on a network.