mouth
what is the enzyme in the saliva and whats its function
amylase
- breaks down starch into maltose
why is the stomach the only organ in the body that can withstand high pH
mucus layer protecting the lining of the stomach
where is the duodenum located
small intestine
what is an epiglottis and its function
small moveable cartilage that prevents food from going into the trachea
what are the different types of teeth and their functions
canine, incisors, pre molar, molar
-hook and tear
-cut
-crush and grind
what are the enzymes found in the gastric juice and their functions
renin - coagulate milk proteins
what are the names of the two ducts connected to the duodenum
bile duct and pancreatic duct
what is the shape of the food as it goes down the epiglottis, and the name for the shape
ball like shape, bolus
how do the different parts of the mouth help in the movement of the food, from the mouth down to the esophagus
saliva coats the food
teeth and tongue shape the food into bolus shape
tongue and saliva in the end pushes the food down
what are the epithelial cells in the stomach, and what do they produce
goblet cell - mucus
parietal cell - HCL
chief cells - pepsin
what do the liver and pancreas produce that help with digestion and their functions
bile - neutralises chyme and emulsification
pancreatic juices
- pancreatic amylase
- starch -> maltose
- trypsin
- peptides -> amino acids
-lipase
- fats -> 3 fatty acids 1glycerol
how does the esophagus push the food down to the stomach, give the term for it and how it works
peristalsis, relax and contract of muscles