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Unformatted text preview: sources b. Unsaturated fats mono-unsaturated poly-unsaturated trans-fatty acids 2. Protein intake essential amino acids sources of essential amino acids meats plants (rice + beans) 3. Vitamins and minerals a. vitamins: organic substances; small amount necessary b. minerals: inorganic; serve special metabolic functions V. Other animal digestive systems A. Human digestive system is complete B. Other (different) complete systems 1. Ruminants-(4 chambered stomach)-b/c they rely heavily on veggies- function is to break down cellulose Other complete (and unique) systems 2. Birds: crops and gizzards C. Incomplete digestive systems 1. flatworms- (planarian): waste ecreted through external openings. 2. Cnidarians: Hydra: attaches itsself to a surface. Nutrients go through cells. Waste goes out through cells 3. Other Cnidarians: Sea Jellies, Sea anemones, Corals 4. Sponges (Porifera) • 2 cell layers • food enters through pores • waste exits through osculum...
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This note was uploaded on 03/19/2011 for the course BIO 110 taught by Professor Hemsley during the Spring '11 term at Harper.
- Spring '11