the-digestive-system ONLINE BIOLOGY EXERCISE

By
TANZANIA SECONDARY STUDENTS
FOR SCHOOL AND PRIVATE CANDIDATE STUDENTS 2015
ONLINE BIOLOGY EXERCISE
( for school and PCs)


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1. This muscular valve prevents gastric juices from flowing back out of the stomach and into the esophagus
cecum
uvula
cardiac sphincter
pyloric sphincter

2. Parotid, submandibular, and sublingual all refer to:
secretions of the liver
types of absorbed nutrients
sections of the small intestine
salivary glands

3. The common bile duct delivers bile from the ____ to the _____.
liver, gall bladder
gall bladder, duodenum
pancreas, liver
stomach, duodenum

4. This membrane holds the coils of the small intestine together:
mesentery
greater omentum
serosa
intestinal villi

5. The appendix is attached directly to the:
cecum
pancreas
jejunum
sigmoid colon

6. Following the sections of the large intestine, as material passes from the tranverse colon, what section does it enter next?
ascending
descending
sigmoid
rectum

7. Bile is responsible for breaking down:
sugar
cellulose
fats
carbohydrates

8. The part of the stomach that lies above the esophagus is the:
pylorus
fundus
oblique
hiatus

9. The last section of small intestine before it connects to the large intestine is the:
jejunum
duodenum
appendix
ileum

10. The cystic duct and the hepatic duct join to form the ____ before entering the duodenum.
common bile
pancreatic
appendicular
portal duct



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