Bio Vocab 35 - Arko Dewri Period 4 Biology 9H 4/13/2010...

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Arko Dewri Period 4 Biology 9H 4/13/2010 Chapter 35 Vocabulary 35.1 1. Amylase – Digestive enzyme in saliva that begins the process of chemical digestion in the mouth by breaking down starches into sugars. 2. Chemical Digestion – Chemical breakdown of food by digestive enzymes such as amylase into smaller molecules that cells can absorb. 3. Esophagus – Muscular tube that connects the pharynx to the stomach and moves food to the stomach by the process of peristalsis. 4. Large Intestine – End portion of the digestive tract; involved primarily in water absorption. 5. Liver – Largest internal organ of the body; produces bile. 6. Mechanical Digestion – Physical breakdown of food that occurs when food is chewed into smaller pieces and then churned by the stomach and small intestine. 7. Pepsin – Digestive enzyme involved in the stomach’s chemical digestion of proteins. 8. Peristalsis – Rhythmic, wavelike muscular contractions that move food throughout the digestive tract.
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Bio Vocab 35 - Arko Dewri Period 4 Biology 9H 4/13/2010...

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