Upper GI
What is formed when food and saliva is mixed with gastric juices?
Chyme
What is the name of the bacteria that live in the large intestine and help to form feces out of the waste material?
e-coli
The thin flap of skin that closes off the esophagus or larynx is called...
Epiglottis
List the four layers of the alimentary canal
Mucosa, submucosa, muscularis, and serosa
Which organ stores the bile from the liver until it is needed in the small intestine?
Gallbladder
Where do most of the digestive products pass into the bloodstream?
Small intestine
What is mastication?
Chewing
Which valve connects the small intestine to the large intestine?
Illecocal
When does the chemical breakdown of food begin?
When saliva is mixed with the food
What is the thin coating along the inner walls of the stomach called?
Gastric mucosa
What is the slow, wavelike contraction that moves food through the digestive system?
Peristalsis
Which of the following describes mastication?
Liver
Which region of the stomach curves upward and stretches to fit the amount of food in the stomach?
Fundus
Where does most of the water from ingested food get absorbed back into the bloodstream?
Large intestine
What is the slow, wavelike contraction that moves food through the digestive system?
Bolus
Which three organs are accessory organs for the digestive system?
Pancreas, gallbladder, and liver
What does the muscularis layer do and where is it located?
The muscularis is a muscle layer that is connected to the submucosa. It propels food through the GI tract.
Which of the following are folds in the stomach that allow for expansion when it is full?
Rugae
What keeps food from entering the nasal cavity during swallowing?
uvula
Which of the following parts of the large intestine absorbs fluids and salts that remain after digestion occurs?
Cecum