functions of digestive system
digestion, absorption, elimination
salivary glands
glands of the mouth that produce saliva, a digestive secretion
stomach
an enlarged and muscular saclike organ of the alimentary canal
pepsinogen
precursor of pepsin
ileum
Third part of the small intestine
mastication is?
the process of chewing
palate?
the upper surface of the mouth that separates the oral and nasal cavities
digestive enzymes
proteins found in digestive juices that act on food substances, causing them to break down into simpler compounds pepsin, hydrocloric acid
alkaline mucus
Coats the lining of the stomach
villi
tiny, finger-like structures that protrude from the wall of the intestine
cuspids is?
Canines, have sharp points to tear food and have the longest root than any other teeth.
uvula?
a small pendant fleshy lobe at the back of the soft palate
how long does it take for the stomach to empty?
4-6 hours after a meal
rennin
an enzyme that occurs in gastric juice coagulates milk
pancreas
located partially behind the stomach in the abdomen, and it functions as both an endocrine and exocrine gland. It produces digestive enzymes as well as insulin and glucagon
bicuspids is?
premolars for crushing.
pharynx
throat; passageway for food to the esophagus and air to the larynx
enteroendocrine glands
Secrete hormone, gastrin (Into the lamina propria not the pit)
duodenum
first part of small intestines, most digestion takes place, chemicals released from liver, gall bladder, and pancreas
pancreatic enzymes
digestive proteins found in pancreatic secretions that breakdown all organic nutrients
molars is?
Back teeth that grind food
esophagus
muscular tube that moves food from the pharynx to the stomach
parietal cells
Cells found in gastric glands that secrete hydrochloric acid (for hydrolysis of ingested food) and gastric intrinsic factor (for absorption of vitamin B-12).
jejunum
Second part of the small intestine
liver
organ that makes bile to break down fats; also filters poisons and drugs out of the blood