Question Info

This question is public and is used in 3 tests or worksheets.

Type: Multiple-Choice
Category: Respiration, Digestion, and Excretion
Author: dinosuchus
Created: 10 years ago

View all questions by dinosuchus.

Respiration, Digestion, and Excretion Question

View this question.

Add this question to a group or test by clicking the appropriate button below.

Respiration, Digestion, and Excretion

What is the innermost layer of the alimentary canal?
  1. Serosa
  2. Muscularis externa
  3. Submucosa
  4. Mucosa