25 terms

Digestive System

alimentary canal
long, muscular tube that begins at the mouth and includes the mouth, pharynx, esophagus, stomach, small intestine, large intestine, and anus
opening in the anal canal that expells fecal material, or stool, the final waste product of the digestive process
the large intestine
digestive system
also known as the gastrointestinal system; responsible for the physical and chemical breakdown of food so that it can be taken into the bloodstream and used by body cells and tissues
the first nine to ten inches of the small intestine; bile and pacreatic juice enter this section through ducts, or tubes
muscular tube dorstal to the trache; receives the bolus from the pharynx and carries the bolus to the stomach
a small, muscular sac located under the liver and attache to it by connective tissue; stores and concentrates bile
hard palate
bony structure that forms the roof of the mouth and separates the mouth from the nasal cavities
the final 12 feet of the small intestine; connects with the large intestine at the cecum
is approximately eight feet in length and forms the middle section of small intestine
large intestine
final section of the alimentary canal; approximately five feet in length and two inches in diameter; funcitons include absorption of water and any remanining nutrients, storage of indigestible materials before they are eliminated from the body...
the largest gland in the body and is an accessory organ to the digestive system; located under the diaphragm and in the upper right quadrant of the abdomen; secretes bile and stores sugar, iron, and certain vitamins; produces hparin and detoxifies substances such as acohol, ect.
buccal cavity, receives food as it enters the body
a glandular organ located behind the stomach; produces pancreatic juices, which contain enzymes to digest food.
rhythmic, wavelike, involuntary movement of muscles to move food in a forward motion
a tube that carries both air and food
the final six to eight inches of the large intestine and is a storage area for indigestible and wastes
salivary glands
glands of the mouth that produce saliva, a digestive secretion
small intestine
a coiled section of the alimentary canal; it is approximately 20 feet in length and one inch in diameter, and is divided into 3 sections
soft palate
separates the mouth from the nasopharynx
an enlarged part of the alimentary canal; receives the food from the espohagus
special structures in the mouth that physically break down food by chewing and grinding
a muscular organ that contatins special receptors, called taste buds
vermiform appendix
small projection of the ileum
lines the walls of the small intestine; contain blood capillaries and lacteals