Name all of the parts of the oral cavity
Incisors, cuspid, premolars, molars, tonsils, hard palate, uvula, tongue
What is the mechanical digestion and chemical digestion of oral cavity
Chewing food into smaller pieces using your teeth - M
Salivary amylase which contains saliva that helps you moisten and break down food - C
What is a bolus and epiglottis?
Bolus - a moisten ball that makes it easier to swallow and digest through the digestive tract
Epiglottis - a small valve that prevents food from entering the windpipe aka trachea. This prevents choking
Name all the things in esophagus
Esophagus, bolus, peristalsis
What is the peristalsis?
A digestive muscular tract that moves down the esophagus and helps food travel in wave like motions.
Name all parts of the stomach.
Rugae, cardiac sphincter, phyloric sphincter, muscular wall, duodenum
What are some secrete substances in the stomach
Pepsinogen, rennin (in kids only) and hydrochloric acid.
What is pepsinogen?
Inactive enzyme that changes to pepsin
what is HCI
Destroys invading microbes and provides acidic environment for pepsin
What is the mechanical and chemical digestion of the stomach?
Breaking down and mixing the food into the acid by muscular contractions - M
Breaking food by hydronic acid with gastric juice - C
What is chyme?
The bolus once it mechanically and chemically digests in the stomach
Name all the parts of the small intestine
Duodenum, jejunum, ileum
What is the function of the small intestine?
The site where digestion is complete and nutrients are absorbed into the circulatory system
What does peptidases do?
Digest peptids into smaller peptides and amino acids
What does the Nucleases do?
Break down RNA and DNA into nucleotides
What does the Carbohydrates do?
Digest respective disaccharides into monosaccharides
What is intestinal absorption?
Nutrients absorption though the walls they travel to capillars, circulatory carries nutrients to the cells
What is a villi and microvilli
It covers folds and increases SA to maximize absorption.
What other parts are in the small intestine
Epithelium and capillars
The mesentery, what is it?
Something that helps attach the small intestine to the abdominal wall
Name all of the parts of the large intestine
Caecum, Ileocecal, ascending colon, transverse colon, decending colon, sigmoid colon, rectum, teniae coli, fat tags, appendix
What is the main function?
Absorb water, 90% is absorbed and taken back to the blood
What are some other functions?
Billions of good bacteria that break down undigested food ad material, K n B and folic acid gets absorbed into the bloodstream. Leftovers become feces which gets pushed into the rectum.
What is the appendix
Organ that has a large amount of good bacteria, and immune function in adults