Human Digestive System Flashcards
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What is the system of the body that mechanically and chemically breaks down food?
Digestive System
How many hours does it take to completely break down food?
12 to 24 hours
How are the digestive organs divided?
gastrointestinal tract
accessory organs
What are the other terms for Gastrointestinal tract?
alimentary canal
digestive tract
What is the continuous tube running from the mouth to the anus?
gastrointestinal tract
How long is the gastrointestinal tract?
9m (30ft) in length
digests and absorbs food
Gastrointestinal tract
What are the organs included in GI tract?
mouth
pharynx
esophagus
stomach
small intestine
large intestine
What are the organs included in Accessory Digestive Organs?
teeth
tongue
gallbladder
salivary glands
liver
pancreas
functions in secretion of lubricating fluid containing enzymes that break down carbohydrates
salivary glands
functions in mechanical processing, moistening, mixing with salivary secretions
oral cavity, teeth, tongue
the pharyngeal muscles propel materials into the esophagus
pharynx
transport of materials to the stomach
esophagus
secretion of bile (important for lipid digestion), storage of nutrients, and has many other vital functions
liver
functions in the chemical breakdown of materials via acid and enzymes
stomach
It has mechanical processing through muscular contractions
stomach