BIO Final-chapter 25

Term
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List major components of the digestive system and what are their major functions?
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Terms in this set (21)
List major components of the digestive system and what are their major functions?
Accessory organs of digestion:Teeth, Tongue, Salivary glands, Pancreas, Liver, Gallbladder

Digestive track: Mouth, Pharynx, Esophagus, Stomach, Small intestine,Large intestine
look at figure 25.1 slide#5 and slides 10-11
List and define 7 major functions of the digestive system.
-Ingestion: Bringing food and liquids into the mouth
-Mechanical processing: Chewing and swallowing
-Food Digestion: Chemical breakdown of food into nutrient form
-Secretion: Secretion of products by the lining of the digestive tract and secretion of products by the accessory organs of digestion
-Absorption: The movement of nutrients from the small intestine to the bloodstream
-Excretion: The removal of waste products from the digestive tract
-Compaction:Progressive dehydration of organic wastes
Define 2 types of movements of digestive material through the digestive tracts (peristalsis and segmentation).
Peristalsis: The muscularis externa propels material through the digestive tract

Segmentation:Material is churned and fragmented and at the same time is propelled through the digestive tract
Define Peritoneum
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define Intraperitoneal Organs
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Define Retroperiotoneal Organs
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define mesentery proper
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define transverse mesocolon
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define sigmoid mesocolon
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define fusion fascia
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define lesser omentumdefine great omentumList 5 major components of the oral cavityList 3 areas the tongue can be divided into and which contains the taste buds?What substance released by the tongue begins the digestion of fat?What two muscles groups control the tongue?List 3 pairs of salivary glandsList 4 types of teeth and how many of each are found per jawDefine the 3 major areas of a tooth.Describe the 3 phases of swallowingWhat 3 areas make up the pharynx?