EXERCISE 27 REVIEW SHEET e Name Lab Section - Date Anatomy of the Digestive Syst

Question

EXERCISE 27 REVIEW SHEET e Name Lab Section - Date Anatomy of the Digestive System 1. For the followin ng structures, identify the region or organ of the digestive systes in which it is Sound and describe its function Lingual tonsils Root canal Pancreatic duct Aggregated lymphold9 Gastric glands h. Uvula Brush border Taeniae col Parietal cells Duodenal glands Rugae Central veirn Cystic duct 2. In the genetic disease cystic fibrosis, ducts in several organs become blocked by an excessive production of thick macus. Although most cystic fibrosis deaths are due to lung damage, the disease also clogs bile ducts in the liver Discuss how the disease's and pancreatic ducts in the effects on the liver and pancreas would affect digestive activity 509 EXERCISE 27 Anatomy of the Digestive System

Explanation / Answer

LINGUAL TONSILS a) base of the tongue b) produce antibodies forming a part of natural immune system

ROOT CANAL c) in each root of primary and permanent tooth d) contains vascularised tissue called pulp which provides sensory function

PANCREATIC DUCT e) within the pancreas f) supplies pancreatic juice to the duodenum which aids in digestion   

AGGREGATED LYMPHOID NODULES g) ileum of small intestine h) prevent the growth of pathogenic bacteria in the intestines

GASTRIC GLANDS i) lining of the stomach j) produce gastric juice which helps in digestion and mucus which    protects the inner lining of the stomach

UVULA k) hangs down from the soft palate l) uvula with soft palate close nasopharynx and prevent food from entering the nasal cavity during swallowing

BRUSH BORDER m) small intestine lining n) help in the absorption of nutrients

TENIAE COLI o) on the outside of ascending,transverse, descending and sigmoid colons p) produce haustra (small pouches )

PARIETAL CELLS q) present in gastric glands r) secrete hydrochloric acid and intrinsic factor

DUODENAL GLANDS s) submucosa of first part of duodenum t) secrete alkaline mucus which neutralises acidic    chyme

RUGAE u) internal surface of the stomach v) allows expansion of stomach after consumption of food

CENTRAL VEIN w) cebnter of hepatic nodules in liver x) recieves blood mixed in liver sinusoids and return it to circulation through hepatic veins

CYSTIC DUCT y) present between the top of gallbladder neck and common hepatic duct z) carries bile through    gallbladder to common hepatic duct

( hope the answer is clear to you and if it was helpful please provide feedback, thank you )

  

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