old Flashcards
definition of absorption
The movement of small food molecules and ions through the wall of the intestine into the blood
what is a enzyme
a protein that speeds up chemical reactions in the body
role of epiglottis
to ensure that food goes through the right tube
definition pepsin
an enzyme in the stomach that breaks down protein
role of gastric mucus
to protect the walls of the stomach from acid made by the epithelial cells and glandular cells
what does your stomach turn food into
chyme
role of small intestine
to absorb nutrients of food
role of villi
villi absorb the nutrients that enter the small intestine
role of liver
the liver produces bile that metabolizes proteins, lipids, and carbohydrates.
role of gallbladder
the organ that stores bile
role of pancreas
secrets pancreatic juice and insulin that help break down proteins, starches, and fats
definition of large intestine
the large intestine absorbs water and is the transportation system that leads to the anus
definition of large intestine
the large intestine absorbs water and is the transportation system that leads to the anus
role of rectum
stores waste
role of anus
pushes out the toxic waste
what do proteins break down into
they break down into amino acid
what do starches break down into
they breakdown into glucose
what do lipids break down into
fatty acid
what movment is taken up by the esophgus
peristalsis movement
what is a enzyme
an enzyme is a protein that speeds up chemical reactions in the body
role of the epiglottis
a flap that ensures that food goes through the esophagus
what action does the epiglottis do to ensure that food goes down the esophagus
opens and closes its flaps to let food through
what movement does the esophagus do
peristalsis movement
role of pepsin
an enzyme that breaks down proteins in the stomach
