digestive system Flashcards
label the structures of the digestive system
mouth, salivary glands, esophagus, liver, gallbladder, stomach, pancreas, small intestine (duoclenum, jejunum, ileum), large intestine, appendix, rectum, anus
what is the difference between physical digestion and chemical digestion?
physical: is chewing
chemical: saliva
define peristalsis
involentay contraction of muscles
what is the main function of the liver & gallbladder?
liver creates bile
gallbladder stores bile
what important substance is produced by the pancreas , and what is the purpose of this substance ?
it provides insulin and the purpose is to regulate the amount of glucose in blood
what is the name of structures in the small intestine where absorption of nutrients mainly occurs?
villi