gastro, urinary & repro Flashcards
which system is responsible for absorption and digestion of the food we eat
gastrointestinal system
Which system maintains an appropriate water and electrolyte balance and eliminates waste in the form of urine
urinary system
What is the GI system also known as
digestive system
What is the long, continuous tube that stretches from the mouth to the anus?
GI Tract
what is the flow of food?
pharynx, esophagus, stomach, small and large intestine and rectum
What are the accessory organs
salivary gland, liver, and pancrease
what are the 4 major functions of digestion
ingestion, digestion, absorption, and elimination
what is the process of putting food into the mouth, chewing and swallowing?
ingestion
The process of physically, chemically breaking chunks and large molecules of food into small molecules that will pass via cell membranes
digestion
What are the substances that break down complex nutrients
digestive enzymes
What does proteins get turned into
simpler amino acids
What does sugars get turned into
simple sugars, such as glucose
What does fats get turned into
fatty acids, and triglycerides
What is the process of transferring digested food into intestinal membranes into blood circulation (taking nutrients to the liver for further processing or storage)
absorption
The process of passing undigested and unabsorbed food out of the body in the form of stool
eliminaiton
What moves the food down into the esophagus and causes the esophagus muscles to contract and expel food
peristalsis
How many parts does the stomach have
three
What are the stomach parts
fundus, body, and pylorus
Which is the broad portion near the esophagus
fundus
What is the central portion of the stomach
body
what is the lower, narrow section that joins the small intestine
pylorus
What is the membrane that lines the various cavities in the body and surrounds internal organs
mucosa
what are the series of ridges that fold, and unfold as the stomach fills up
rugae
what does the stomach push up against when the stomach is overfull
diaphragm