The Digestive System Answers

Flashcard maker : Niamh Mitchell
Alimentary Canal or Gastrointestinal Tract (GI tract)
Organs of the digestive system form an irregularly shaped tube
Mechanical Breakdown of Food
An example of churning of food in the stomach
Chemical Breakdown
Occurs when digestive enzymes act on food as it passes through the digestive tract
Feces
Waste material resulting from the digestive process
Digestion, Absorption, Metabolism
The processes of food
Visceral Peritoneum
Composes the serosa of the digestive tube in the abdominal cavity
Mouth . . . . Anus
Where the digestive tract extend from and to
Lumen
The inside or hollow space within the alimentary canal
Mucosa (mucous membrane)
The inside layer of the digestive tract
Submucosa
Connective tissue layer that lies beneath the lining of the digestive tract
Peristalsis
Process of muscularis contractions that moves food through the gastrointestinal tract
Serosa
Outermost covering of the digestive tube
Mesentery
Loops of the digestive tract anchored to the posterior wall of the abdominal cavity
Mouth, Stomach, Cecum, Esophagus, Rectum, Pharynx
Main organs of the digestive system
Parotids, Liver, Appendix, Teeth, Gallbladder, Pancreas
Accessory organs of the digestive system
Uvula, Palatine bones, Maxillary bones, Soft palate
Parts of the roof of the mouth
Vallate
Largest of the papillae on the surface of the tongue
6 months
First baby tooth appears (on average)
Crown
Portion of the tooth covered with enamel
Dentin
Surrounds the wall of the pulp cavity
Second Premolar
Is NOT a part of the deciduous arch
7 to 8 years old
Age that permanent central incisor erupts
17 to 24 years
Third molar appears
Submandibular Glands
Open into the floor of the mouth
One Liter
The volume of saliva secreted per day
Parotid Gland
Mumps are an infection of what gland?
Cut
Incisors are used during mastication to . . .
Wisdom Tooth
Another name for the third molar
Bolus
Chewed food forms into a small rounded mass called . . .
Pharynx
Tubelike structure that functions as part of both respiratory and digestive systems.
Esophagus
Pharynx connects the mouth with . . .
Stomach
The esophagus serves as a passageway for movement of food from the pharynx to the . . . .
Gastroephageal or Cardiac Sphincter
Food enteres the stomach by passing through the muscular __________ at the end of the esophagus.
Chyme
Food mixed with gastric juices, broken down into a semisolid mixture . . .
Fundus, Body, Pyloris
Divisions of the stomach
Pyloric Sphincter
Food is held in the stomach by the _______ ______ muscle long enough for partial digestion to occur.
Small Intestines
After food has been in the stomach for approximately 3 hours, the chyme will enter the . . . . .
Esophagus
10-inch passageway
Chyme
Semisolid mixture of stomach contents
Peristalsis
Muscle contractions of the digestive system
Rugae
Stomach folds
Triple therapy
Used to heal ulcers and prevent recurrences
Greater curvature
Lower left border of stomach
Hiatal hernia
Condition that may result in backward movement or reflus of stomach contents into the lower portion of the esophagus
Tagament
Drug used to treat GERD
Acid indigestion
Heartburn
Lesser curvature
Upper right border of stomach
Jejunum, Ileum, Duodenum
Parts of the small intestine
Plicae, Microvilli, Brush border
Increase the surface area of the intestine for absorption
Common bile duct
Cystic duct and hepatic duct form ________.
Hepatic duct
Duct, when obstructed, will lead to jaundice . . . .
Mouth, teeth, tongue, salvary glands, pharynx, esophagus, small intestine, large intestine, liver, gallbladder, pancrease, appendix, rectum, anal canal, anus
Organs of the digestive system
Uvula
Keeps food from entering nasal cavity.
Frenulum
A thin membrane that attaches the tongue to the floor of the mouth.
20
How many baby teeth do humans have?
Chewing squeezes the parotid glands
Why does chewing hurt during the mumps?
Rugae
The lining of the stomach “folds” when empty.
Villi
“Tiny fingers” that cover the plicae
Underneath the liver
Where is the gallbladder?
Gallstones
Solid clumps of cholesterol that have crystalized
Liver
What secretes bile?
Musclefy fat
Function of bile in digestion?
Behind stomach
Where is the pancreas?
Right side. Directly attached to the cecum
Where is appendix?

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