Chapter 24: Digestive System Flashcards
(37 cards)
health of digestive system determines…
the health of you
digestive system is responsible for…
digestion, absorption, and elimination
the digestive system is broken down into the…
GI tract and accessory organs
digestion involves
ingestion
propulsion
mechanical digestion
chemical digestion
absorption
elimination
mechanical digestion
chewing
mixing
churning
chemical digestion
occurs in small intestine
uses enzymes to break down the food we eat
we NEED to _________ __________ food in order to absorb it
chemically digest
oral cavity
mouth, tongue, salivary gland
begins digestion of food, mixes with salvia, breaks it down
salviary amylase
begins digestion of carbs
lingual lipase
begins digestion of lipids/fats
the lubricated oval mass we swallow is…
bolus
stomach
full of acids and digestive enzymes
begins digestion of proteins
what protects the stomach from gastric juice
layer of mucus and bicarbonates
chyme
food we ate, syrup
travels from stomach to duodenum
small intestine is made of
duodenum, jejunum, and ileum
where does 90% of digestion and absorption take place
small intestine
jejunum
where most digestion and absorption take place
ileum
longest portion
where bile and vitamins are absorbed
the large intestine begins with..
cecum
large intestine ends with…
rectum and anus
accessory organs are…
salivary glands, liver, gallbladder, and pancreas
liver
produces bile
receives almost everything that goes through the GI tract
gallbladder
where bile is stored
used to emulsify fat
pancreas
EXOCRINE portion
makes bicarbonate and digestive enzymes
