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Bio Unit 4 Sec 1 #3

Bio Unit 4 Sec 1 #3: Lecture 31

QuestionAnswer
A continuous tube starting at the mouth and ending at the anus that includes Ingestion-Secretion-Peristalsis-Digestion-Absorption-Defecation Gastrointestinal Tract
Performs ingestion and digestion Mouth
Performs the VOLUNTARY transition of the bolus of food from the mouth to the esophagus Pharynx
Where peristalsis begins Esophagus
The alternating contraction and relaxation of lays of smooth muscle that moves food through the GI tract Peristalsis
Place where mechanical and chemical digestions takes place Stomach
The stomach has ____ pH that activates digestive ______ and kills bacteria Low; Enzymes
In the stomach, gastric juices mix with food to create liquid ______ Chyme
Major site of the absorption of nutrients is the _______ intestine Small
______ intestine is where chyme is converted to solid feces as water, some salts and vitamins are absorbed and elimination occurs throughout the anal canal Large
The organs contribute to digestion physically and chemically Accessory
In the mouth, the _____ and ____ help with ingestion and mechanical digestion Teeth; Tongue
The glands secrete water, mucous, and digestive enzymes Salivary
_______ is the digestive enzyme that helps break food down Amalase
A mass of food to be swallowed is called a _____ Bolus
This CREATES bile, a substance that breaks down fats to help in their digestion Liver
This STORES bile in case you eat a particularly fatty meal to help break dow the fat Gallbladder
This produces digestive enzymes that are delivered to the small intestine Pancreases
Created by: scarangelo
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