digestive system Flashcards
a continuous tube starting from the mouth to the anus
alimentary canal
breaks down food through bite cut tear grind
teeth
muscular organ in the mouth guide food when chewing and swallowing
tongue
throat serves as a passeageway for air and food/water
pharnyx
an open/close flap to allow air to pass when not swallowing food
epiglottis
voice box breathing swallowing talking
larynx
windpipe leading oxygen to the lungs
trachea
tube leading from the mouth to the stomach the hollow part of the esophagus is called lumen
esophagus
food storage place where food is mixed with gastric juice
stomach
opening and closing of the tube in the stomach area and anus opening
sphincter
maintain blood sugar level makes pancreatic juice - helps neutralize stomach acid
pancreas
organ that produces bile juice to help in digestion
liver
a juice produced by the liver helps break down fats
bile
a storage place for bile juice absorbs vitamins
gallbladder
22 feet long small tube leading from the stomach
small intestine
finger like protrusion in the small intestine that helps absorb nutrients from the food
villi
first section of the small intestine
duodenum
middle section of the small intestine
jejunum
last section of the small intestine
ileum
5 feet long another name for large intestine
colon
a rhythmic contraction of the tubes from esophagus to the anus
peristals
first colon pouch to receive undigested food
caecum
bacteria storage pouch
appendix