The Walls of the Alimentary Canal Share a Common Pattern

question 7

Multiple Choice

The walls of the alimentary canal share a common pattern from esophagus to anus. How many tunics (layers) make up the wall?

• A)2
• B)5
• C)3
• D)4

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Definitions:

Heavy-duty Ball Hitch

A robust towing hitch designed for connecting and towing large trailers or loads with a vehicle, characterized by its ball-and-socket connection.