Digestive System Flashcards
What is digestion?
mechanical and chemical breakdown of foods into forms that the body cells can absorb
What is the alimentary canal?
organs forming a pathway extending from the mouth to the anus
What are the food movements?
- churning: mixes substances
- peristalsis: moves substances through esophagus to stomach
What is the function of the mouth?
initiating digestion using chewing and saliva
What is another way to say chewing?
mastication
What is the function of the teeth?
decrease size of food particles
How many teeth do we have?
32 teeth
What is the function of salivary glands?
makes saliva
What is the pharynx and its function?
throat
- passageway between mouth to esophagus
What is the function of esophagus?
tube connecting mouth to stomach
- peristalsis
What is the function of the stomach?
receives food from esophagus and continues to breakdown food with gastric juices
- propels food to small intestine
What is rugae?
folds in the stomach
What quadrant is the stomach in?
upper left
What is the function of the liver?
makes bile to breakdown fats
What quadrant is the liver in?
right upper
What is the function of the gallbladder?
stores bile
- connects to duodenum
What is the function of the pancrease?
makes enzymes that aid in digestion
- connects to duodenum