digestive system

Question 1

an organ system responsible for transporting and digesting foodstuffs, absorbing nutrients, and expelling waste.

Answer 1

Gastrointestinal tract

Question 2

includes the lips, the inside lining of the lips and cheeks (buccal mucosa), the teeth, the gums, the front two-thirds of the tongue, the floor of the mouth below the tongue, and the bony roof of the mouth (hard palate).

Answer 2

Oral Cavity

Question 3

the bony front part of the palate.

Answer 3

Hard palate

Question 4

the fleshy, flexible part toward the back of the roof of the mouth.

Answer 4

Soft palate

Question 5

a fleshy extension at the back of the soft palate that hangs above the throat.

Answer 5

Uvula

Question 6

a small fold of mucous membrane extending from the floor of the mouth to the midline of the underside of the tongue.

Answer 6

Lingual frenulum

Question 7

the membrane-lined cavity behind the nose and mouth, connecting them to the esophagus.

Answer 7

Pharynx

Question 8

the part of the alimentary canal that connects the throat to the stomach; the gullet.

Answer 8

Esophagus

Question 9

a mucous membrane.

Answer 9

Mucosa

Question 10

the layer of areolar connective tissue lying beneath a mucous membrane.

Answer 10

Submucosa

Question 11

a region of muscle in many organs in the vertebrate body, adjacent to the submucosa.

Answer 11

Muscularis externa

Question 12

the tissue of a serous membrane.

Answer 12

Serosa

Question 13

the part of the peritoneum that lines the abdominal viscera

Answer 13

Visceral peritoneum

Question 14

is attached to the abdominal wall and the pelvic walls.

Answer 14

Parietal peritoneum

Question 15

a fold of the peritoneum that attaches the stomach, small intestine, pancreas, spleen, and other organs to the posterior wall of the abdomen.

Answer 15

Mesentary

Question 16

the internal organ in which the major part of the digestion of food occurs, being a pear-shaped enlargement of the alimentary canal linking the esophagus to the small intestine.

Answer 16

Stomach

Question 17

the top of your stomach/bottom of your esophagus. It opens to allow the food you just chewed to enter your stomach.

Answer 17

Cardioesophageal sphincter

Question 18

a band of smooth muscle at the junction between the pylorus of the stomach and the duodenum of the small intestine.

Answer 18

Pyloric sphincter

Question 19

a series of ridges produced by folding of the wall of an organ.

Answer 19

Rugae

Question 20

the boundary of the stomach that forms a long usually convex curve on the left from the opening for the esophagus to the opening into the duodenum

Answer 20

Greater curvature

Question 21

the boundary of the stomach that in humans forms a relatively short concave curve on the right from the opening for the esophagus to the opening into the duodenum

Answer 21

Lesser curvature

Question 22

a large apron-like fold of visceral peritoneum that hangs down from the stomach.

Answer 22

Greater omentum