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Line 19:
Line 19: + − *[[Pylorus]]--opens or closes the stomach
→Digestive and Excretory: The pylorus is a region of the stomach, not a separate organ.
==Digestive and Excretory==
==Digestive and Excretory==
*[[Mouth]]--digestion starts in the mouth, as that is where the food is first broken down
*[[Esophagus]]--carries food and fluids from mouth to stomach
*[[Esophagus]]--carries food and fluids from mouth to stomach
*[[Stomach]]--digests food
*[[Stomach]]--digests food
*[[Small intestine]]--allows fluids and nutrients to be absorbed into the system, by means of [[villi]]
*[[Small intestine]]--allows fluids and nutrients to be absorbed into the system, by means of [[villi]]
*[[Cecum]] or caecum--absorbs more fluid into the system
*[[Cecum]] or caecum--absorbs more fluid into the system