Chapter 23: Digestive System (Mastering) Flashcards - Easy Notecards Art-labeling Activity: Figure 23.16a. Drag the appropriate labels to their respective targets. See Photo. 2. ... Art-labeling Activity: Figure 23.32c. Drag the appropriate labels to their respective targets. See Photo. 8. Which layer of the alimentary canal is responsible for segmentation and peristalsis?