digestive system

Question 1

an organ system within humans and other animals which takes in food, digests it to extract and absorb energy and nutrients, and expels the remaining waste as feces

Answer 1

gastrointestinal tract

Question 2

Refers to the mouth. It includes the lips, the lining inside the cheeks and lips

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

serves to keep the throat well lubricated

Answer 5

uvula

Question 6

is 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. In humans and other vertebrates it is a muscular tube lined with mucous membrane

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

responsible for gut movement such as peristalsis

Answer 11

muscularis externa

Question 12

the tissue of a serous membrane

Answer 12

serosa

Question 13

the walls of the body cavity

Answer 13

visceral peritoneum

Question 14

portion that lines the abdominal and pelvic cavities

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

mesentery

Question 16

the internal organ in which the major part of the digestion of food occurs

Answer 16

stomach

Question 17

surrounds the lower part of the esophagus at the junction between the esophagus and the stomach

Answer 17

cardioesophageal sphincter

Question 18

is 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

Answer 20

greater curvature

Question 21

extending between the cardiac and pyloric orifices

Answer 21

lesser curvature

Question 22

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

Answer 22

greater omentum

Question 23

the pulpy acidic fluid that passes from the stomach to the small intestine, consisting of gastric juices and partly digested food

Answer 23

chyme

Question 24

the part of the intestine that runs between the stomach and the large intestine; the duodenum, jejunum, and ileum collectively

Answer 24

small intestine

Question 25

s the joining point between the large and small intestines

Answer 25

ileocecal valve

Question 26

the first part of the small intestine immediately beyond the stomach, leading to the jejunum

Answer 26

duodenum

Question 27

the part of the small intestine between the duodenum and ileum

Answer 27

jejunum

Question 28

the third portion of the small intestine, between the jejunum and the cecum

Answer 28

ileum

Question 29

is a duct joining the pancreas to the common bile duct to supply pancreatic juice provided from the exocrine pancreas which aids in digestion

Answer 29

pancreatic ducts

Question 30

carry bile from the liver and gallbladder through the pancreas to the duodenum

Answer 30

bile duct

Question 31

the cecum, colon, and rectum collectively

Answer 31

large intestine

Question 32

a pouch connected to the junction of the small and large intestines

Answer 32

cecum

Question 33

a tube-shaped sac attached to and opening into the lower end of the large intestine in humans and some other mammals

Answer 33

appendix

Question 34

also called the large intestine

Answer 34

colon

Question 35

he final section of the large intestine, terminating at the anus

Answer 35

rectum

Question 36

the most terminal part of the lower GI tract/large intestine

Answer 36

anal canal

Question 37

the first main part of the large intestine, which passes upward from the cecum on the right side of the abdomen

Answer 37

ascending colon

Question 38

the middle part of the large intestine, passing across the abdomen from right to left below the stomach

Answer 38

transverse colon

Question 39

the part of the large intestine that passes downward on the left side of the abdomen toward the rectum

Answer 39

descending colon

Question 40

the S-shaped last part of the large intestine, leading into the rectum

Answer 40

sigmoid colon

Question 41

secretes bile that ends up back in the intestines

Answer 41

liver

Question 42

is a four-inch, pear-shaped organ

Answer 42

gall bladder