Digestive System Flashcards
Saliva contains _____, which functions to begin the digestion of sugars in food.
Amylase
The outmost layer of the crown of a tooth is made up of:
Enamel
Which cells secrete mucus and lubricate the food within the intestines?
Goblet cels
Which nutrients does bile help dissolve?
Fats
What’s the role of cholecystokinin?
Stimulating gallbladder contractions and secreting of pancreatic enzymes
Where is the cardiac sphincter located?
At the junction of the esophagus and the stomach
Fatty acids with only single bonds between the carbon atoms are:
Saturated
The GI tract is regulated by two different control systems. The systems that is specific to the GI tract contains the _____ nervous system and an intrinsic endocrine / paracrine component.
Enteric
Materials are pushed through the GI tract by what type of muscle contractions?
Peristalsis
Where does most of the digestion occur in dogs, cats, and pigs?
Small intestine
What type of molecule is cellulose?
Polysaccharide
What is the purpose of rugae in the stomach?
Allow for expansion of the stomach
Which nutrient is primarily absorbed in the form of amino acids?
Proteins
______ teeth grow continuously.
Hypsodont
The sheets of connective tissue that suspend the intestinal tract from the body wall are:
Mesentary