Digestive Sustem Flashcards
What is the digestive system for?
To get most nutrients out of food we eat
What can we NOT absorb? What can we absorb?
Proteins, carb, lipids, nucleic acids
Amino acids (protein), nucelotydes(nucelic acids), fatty acids
What is deficating?
Eliminating feces
What is catabolism?
Breaking something down
What is anabolism
When we build something up
What is tube made of?
Múcosa
Submucosa
Muscularis
Serosa
Mouth layers?
Frenulum
- labial
- lingual
What is gingiva?
Gums
Uvula
The part that if tickled can make u cough. It makes sure things fit before going in
What are the parts to teeth?
Incisors/ biting
Canine -ripping
Premolar- crushing
Molar- grinding
What are the 3 sets of salivary glands? What do they create together?
Parotid (largest and by the ear)
Sub mandibular (jaw)
Sublingual (underneath tongue)
They create saliva
What does saliva contain?
Enzymes for chemical digestion
What is food mixed with saliva?
Bolus
What Seperates food from air?
Larynx
What is emisis?
Barf
What is rugae?
Extra tissue so when food comes, stomach can enlarge
When bolus gets mixed with acid it’s called
Chyme
What is paristalsis
Rhythmic contraction of smooth muscles to force food from mouth to anus
What is small intestine made up of
Duodenum, jejenum, illeum all for absorbing
What does villi do?
Increase surface area
What is lacteal?
Absorption of fats
What does mucrovilli do?
Reduce friction for slower absorption
What are the parts to the large intestine?
Secum
Appendix
Iliolac junction
Ascending colon
Transverse colon
Descending colon
Sigmoid colon
Rectum
Anus
What is Tenia coli for?
Smooth muscle along ingesting to be held in place
