Digestive system (Pt.1)

Question 1

Alimentry Canal is…

Answer 1

GI Tract, coiled, hollow muscular tube

Question 2

In the alimentary canal food is technically..

Answer 2

outside the body, it only has contact with cells lining the tract.

Question 3

Food enters the digestive tract through the…

Answer 3

Mouth

Question 4

The mouth is a ____ ____

Answer 4

cavity

Question 5

The mouth contains

Answer 5

Lips, Cheeks and the Lingual Frenulum

Question 6

The Lingual frenulum is

Answer 6

a fold of mucus membrane, secures tounge to roof of the mouth.

Question 7

Nasopharynx

Answer 7

Top of the respirtory passage

Question 8

Oropharynx

Answer 8

Posterior to the oral cavity, middle

Question 9

larygnopharynx

Answer 9

continuious with the esophogus, bottom.

Question 10

The propelling mechinism in the pharynx is called

Answer 10

peristalisis

Question 11

The esophogus funs from the ________ to the _________

Answer 11

Pharynx to the Diaphram

Question 12

The pharynx is _____cm long and is a _______

Answer 12

25, passageway that conducts food to the stomach.

Question 13

Submucosa is

Answer 13

found just beneath the mucosa

Question 14

Submucosa is a soft connective tissue containing….(4)

Answer 14

-Blood vessles
-Nerve endings
-Lymph Nodules
-Lymphatic vessels

Question 15

Muscle layer of the 4 tunics

Answer 15

Muscularis externa

Question 16

Muscularis externa is…

Answer 16

an outer longitudal layer of smooth muscle cells.

Question 17

The outermost layer of wall

Answer 17

Serosa

Question 18

What does the Serosa contain?

Answer 18

-Single layer if flat serous fluid producing cells
-viseral peritoneum