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Mouth

Chapter 1 Test Outline

Subject: 
Biology
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Digestive system
Biology
Medicine
Anatomy
Digestion
Anus
Invertebrate
Animal
Stoma
Mouth
Hydra
Organ
Technology

AP BIOLOGY DIGESTION/HOMEOSTASIS 75 Name: Pledge: 1. Distinguish between an incomplete and complete DS. Give an example of an organism for each. (6) Incomplete systems have one ?pouch like? cavity which serves as both the mouth and anus. There is one opening for mouth and anus. Organisms: hydra, flat worm, invertebrates With a complete system the digestive tube has two openings for the mouth and anus. As well, other sites for the different processes of digestion like the stomach and the bowels. Organisms: all other phyla: humans, animals, 2. Why are some proteolytic enzymes produced in an inactive form? (4)
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