works cited

National Geographic(Basic Information)
http://animals.nationalgeographic.com/animals/mammals/bottlenose-dolphin/

WWF(Basic Information)
https://www.worldwildlife.org/species/common-bottlenose-dolphin

Dolphin Research Center(Three Chamber Stomach)
https://dolphins.org/physiology

Nova Software(Digestive System)
http://novawavesoftware.com/info5/dolphin-digestive-system-organs.html

Animal Cells and Tissue(Three Chamber Stomach and Epithelium Tissue)
http://www2.estrellamountain.edu/faculty/farabee/biobk/biobookanimalts.html

University of Western Cape (Simple Columnar Epithelium)
http://www.botany.uwc.ac.za/sci_ed/grade10/mammal/epithelial.htm