GI fucking joe Flashcards
purpose of gi system
-route of intake for nourishment
-absorb nutrients
-eliminate waste products
alimentary canal
continuous tube: mouth, pharynx, esophogus, stomach, sm/lg intestines
accessory organs
salivary glands, liver, pancreas, gallbladder
digestion
process by which food is broken down into substance that is absorbable via cell membrane. Help of accessory organs
six steps of digestion (hint: i prefer my coronary artery disease)
ingestion, propulsion, mechanical digestion, chemical, absorption, defacation
layers of alimenrary canal
mucosa- protects underlying tissue, binds to food particles, lubricates , digestive enzymes
submucosa- nourishes tissue, carry away material, lymph vessels, blood vessels, made of loose connective tissues