Functional Anatomy a. List the organs in order of how food travels through the G

Question

Functional Anatomy a. List the organs in order of how food travels through the GI organs. Answer: b. State the function of each digestive organ, Answer: C. Describe any GI wall modifications. Answer: d. Which of the six digestive processes are occurring at each organ? Answer: Stomach Microanatomy Answer: a. What is the name of the hole dotted throughout the stomach lining? Answer: b. The above are modification of which GI wall layer? Answer: c. List the four cells of the gastric pit. Answer: d. State the function of each cell. Answer: e. Which cell is responsible for protein digestion, gastric juice acidity, RBC production, increasing gastric motility Answer: What type of transport process is used to move acid into the stomach lumen? Answer:

Explanation / Answer

11.a. Mouth, pharynx, oesophagus, stomach, small intestine, large intestine, rectum, anal canal.

b.Mouth is the beginning of digestive system. The food is break down into pieces by chewing with the mixing of saliva.

From pharynx it travels into oesophagus.

Oesophagus is a muscular tube extending from pharynx to stomach that delivers the food to the stomach by the process of peristalsis.

Stomach is a pouch like organ that holds the food and secretes acid and enzymes that help in the breakdown of food.

Small intestine continues the process of breakdown by the help of enzymes from pancreas and liver. It is also responsible for absorption of nutrients into blood stream.

Large intestine carries the waste left over or stool and processes the waste products.

Rectum receives the stool from colon and holds until evacuation happens.

Anal canal is the last part of digestive system that evacuates the stool to outside environment.

c.The digestive tract is a muscular tube lined by a mucous membrane and features a basic histological organization which lines each segment of the tract:

d. The six digestive processes occurring are

I. Ingestion of food

II. Secretion of fluids and digestive enzymes

III. Mixing and movement of wastes throughout the body.

IV. Digestion of food into smaller pieces.

V. Absorption of nutrients

VI. Excretion of wastes

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