MODULE1 - RESPIRATORY SYSTEM

Question 1

Two groups of organs compose the digestive system

Answer 1

gastrointestinal (GI) tract/ alimentary canal

accessory digestive organs

Question 2

A continuous tube that extends from the mouth to the anus through the thoracic and abdominopelvic cavities.

Answer 2

gastrointestinal (GI) tract/ alimentary canal

Question 3

accessory digestive organs

Answer 3

Teeth, tongue, salivary glands, liver, gallbladder, and pancreas

Question 4

accessory digestive organssalivary glands, liver, gallbladder, and pancreas

Answer 4

never come into direct contact with food. They produce or store secretions that flow into the GI tract through ducts

Question 5

physically break down the food by churning it and propel the food along the tract, from the esophagus to the anus.

Answer 5

Muscular contractions

Question 6

Enzymes

Answer 6

secreted by accessory digestive organs and cells that line the tract break down the food chemically.

Question 7

SIX BASIC PROCESSES PERFORMED BY THE DIGESTIVE SYSTEM

Answer 7

I.S.MIPRO.D.AD

INGESTION 
SECRETION
MIXING AND PROPULSION
DIGESTION 
ABSORPTION 
DEFECATION

Question 8

LAYERS OF THE GI TRACT

Answer 8

mucosa
submucosa
muscularis
and serosa.

Question 9

Inner lining of the GI tract, is a mucous membrane. It is composed of (1) a layer of epithelium in direct contact with the contents of the GI tract, (2) a layer of connective tissue called the lamina propria, and (3) a thin layer of smooth muscle (muscularis mucosae)

Answer 9

Mucosa

Question 10

areolar connective tissue that binds the mucosa to the muscularis. It contains many blood and lymphatic vessels that receive absorbed food molecules.

Answer 10

Submucosa

Question 11

contains skeletal muscle that produces voluntary swallowing.

Answer 11

Muscularis

Question 12

a serous membrane composed of areolar connective tissue and simple squamous epithelium

Answer 12

Serosa