Discussion 7

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UNIT 5 RESPIRATION, NUTRITION, AND EXCRETION.

DISCUSSION # 7

Compose 400 words or more discussion to respond the following:

Name the four layers of the digestive tract wall.

Name of the three types of salivary glands.

What is the primary digestive function of the pharynx?

Describe the location of the esophagus.

What are the three main divisions of the stomach?

What are the three main divisions of the small intestine?

What are intestinal villi? What is their function?

What are the four main division of the colon?

What are haustra?

Where is the vermiform appendix located?

Where is the liver located?

Name three of the many functions of the liver?

Describe the route of bile from the gallbladder to the duodenum.