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The Digestive System

Across
The major means of propulsion throughout the alimentary canal; it involves alternate waves of contraction and relaxation of musculature in the organ walls.
Special structures in the mouth that physically break down food by chewing and grinding. There are 32 of them in a full set.
Digestion that A series of steps in which complex food molecules (carbohydrates, proteins, and lipids) are broken down to their chemical building blocks (simple sugars amino acids, and fatty acids and glycerol).
The elimination of indigestible substances from the body as feces.
The hardest substance in the body. Covers the surface of the crown, which bears the forces of chewing.
The movement of food through the alimentary canal. It includes swallowing, which is initiated voluntarily, and peristalsis, an involuntary process.
Mouth Pharynx Esophagus Stomach Small Intestine Large Intestine
The last section of the digestive system, where water is absorbed from food and the remaining material is eliminated from the body. 5 feet in length.
A term used to describe food after it has been chewed and mixed with saliva.
The muscular digestive tube that winds through the body, extending from the mouth to the anus
A green fluid made from cholesterol and secreted by the liver. It is stored and concentrated in the gallbladder
Throat; passageway for food to the esophagus and air to the larynx.
Liquid mixture of food and stomach fluids released from the stomach into the small intestine.
A disorder where the large intestine absorbs too much water, causing the feces to be dry and hard.
The taking of food into the mouth.
The major organ system that breaks down food into nutrients (building blocks) that the body's cells can use
Located on the right side; no enzymes made; produces bile, which is stored in the gallbladder.
Down
Digestion that Physically prepares food for chemical digestion by enzymes by breaking it into smaller pieces.
Tiny finger-shaped structures that cover the inner surface of the small intestine and provide a large surface area through which digested food is absorbed.
Long, narrow tube where digestion is completed and most absorption occurs. 21 feet long / 2.5 cm in diameter
Teeth in front of the premolars that grasp and tear food. There are 4 of them.
10-inch tube that extends from the pharynx to the stomach.
An enzyme found in saliva that begins the process of digesting starch as food enters the mouth and is engulfed in saliva.
Food enters the alimentary canal thourgh this, where it is chewed, manipulated by the tongue, and moistened with saliva.
Located at the base of the esophagus and functions to prevent food materials from entering the esophagus from the stomach
Secretion of saliva, controlled by the autonomic nervous system (parasympathetic).
Organ in which food is mixed with gastric juice and protein digestion begins. 10 - 12" long.
The transport of digested end products from the lumen of the alimentary canal into the blood and lymphatic capillaries located in the wall of the canal.
A muscular sac that stores and concentrates bile produced by the liver.
It produces digestive enzymes as well as insulin and glucagon.
The inner most layer of the gastrointestinal tract wall.