Digestive System: Anatomy

Question 1

The digestive system organs fall into two major groups: the ____ and the ____.

Answer 1

Gastrointestinal (GI) tract;

Accessory organs

Question 2

The gastrointestinal tract is sometimes called the ____.

Answer 2

Alimentary canal.

Question 3

The gastrointestinal (GI) tract is a(n) ____ tube that twists its way from through to the anus. Chemically inert objects can travel in one end and out the other without change, and are technically never inside the.

Answer 3

Continuous.

Question 4

The organs of the GI tract, taken in order, begins with the mouth, includes the ____, ____, ____ and ____, and ends with the anus.

Answer 4

Pharynx;
Esophagus;
Stomach;
Small intestine;
Large intestine.

Question 5

The accessory digestive organs modify ingested food either ____ or ____, or both.

Answer 5

Mechanically;

Chemically.

Question 6

The accessory digestive organs include the ____, ____, ____, ____, ____ and ____.

Answer 6

Teeth;
Tongue;
Gallbladder;
Salivary glands;
Liver;
Pancreas.

Question 7

The central area of the GI tract is called the ____, a name that describes this region in many other tubular organs as well.

Answer 7

Lumen.

Question 8

The organs of the digestive system which are found in the abdominal cavity, and the cavity itself, are lined by a(n) ____ membrane: the ____.

Answer 8

Serous;

Peritoneum.

Question 9

The peritoneal cavity is located between the visceral and parietal layers of the peritoneum and is filled with ____.

Answer 9

Serous fluid.

Question 10

The ____ are double-layers extensions of the peritoneum which connect the abdominal organs to the abdominal walls. Collectively, these extensions are called the ____.

Answer 10

Mesenteries;

Mesentery.

Question 11

Several organs lie outside the peritoneal cavity, between the parietal peritoneum and the dorsal abdominal wall. These are referred to as ____ organs.

Answer 11

Retroperitoneal.

Question 12

The duodenum, pancreas, ascending colon, descending colon, rectum, kidneys, adrenal glands, and urinary bladder are all ____ organs.

Answer 12

Retroperitoneal

Question 13

The ____ contains blood vessels, lymphatics, and nerves which supply the digestive organs.

Answer 13

Mesentery

Question 14

The ____ holds the abdominal organs in place and prevents them from shifting within the abdominal cavity. In addition, fat accumulates within its folds.

Answer 14

Mesentery

Question 15

The Mostar visible mesentery (upon dissection) is the folded layer which hangs like a curtain from the stomach and transverse colon; it is called the ____.

Answer 15

Greater omentum