Digestion Flashcards
process of breaking down food into smaller molecules
digestion
5 phases of digestion
ingestion, movement, mechanical and chemical digestion, absorption, elimination
breaks down food into smaller pieces in the mouth
teeth
hormone found in saliva, breaks down starches
amylase
flap-like structure that closes over the trachea to prevent food from entering it; located at the pharynx
epiglottis
how long is the esophagus?
20cm
moves food from the throat to the stomach
esophagus
j-shaped muscular bag that stores and breaks down food
stomach
enzyme that digests protein
pepsin
enzyme that digests fat
lipases
also known as the throat
pharynx
also known as the voice box
larynx
movement of food down the esophagus
peristalsis
regulates the travel of chyme from the stomach to the small intestine
sphincter
largest part; main site of chemical digestion and absorption
small intestine
first foot of the small intestine; where most chemical digestion occurs
duodenum
secretes pancreatic juices that neutralizes stomach acid
pancreas
how long is the small intestine?
about 7 meters
main site of water absorption
large intestine
how long is the large intestine?
about 1.5 meters
short term storage which holds feces before expelled
rectum
produces bile
liver
stores and secretes bile
gallbladder
produces digestive enzymes to digest macronutrients
pancreas