Mod 11 - Overview Of The Digestive System Flashcards
Serves to store and concentrate bile
Gallbladder
Where is hydrochloric acid produced, and what is its role?
Stomach - Kills bacteria in the food and makes the food acidic
Where is bile produced?
Liver
Main function of bile
Breaks down fats
Where does the most nutrient absorption happen?
Small intestine
Most chemical digestion happens where
Small intestine
What to enzymes are released in the mouth?
Amylase and lypase
What is the function of amylase?
Begins digestion of starch
What is the function of lipase?
Begins digestion of fat
Inner surface of the small intestine has finger–like projections called _________ Which have an extensive network of blood vessels
Villi
Digested food is passed into
Blood vessels
Undigested food is passed into
Large intestine
The muscular sphincter called ______________ Helps prevent backflow of stomach acid into the esophagus
Lower esophageal sphincter (LES)
What is the function of microvilli in digestion
Further increases the absorption area and produces digestive enzymes
What role do the two layers of smooth muscle of the muscularis play in propelling food through the digestive tract?
Regularly contracts and relaxes