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What are the generalized functions of the digestive system?
-Ingestion
-Mechanical Digestion
-Chemical Digestion
-Absorption
-Elimination
Name the path of food in the alimentary canal from beginning to end
-mouth
-pharynx
-esophagus
-stomach
-small intestine
-large intestine
-rectum
-anus
What are the 4 accessory organs of the digestive system?
-Pancreas
-Liver
-Gall Bladder
-Salivary Glands
Explain the ENS
-Enteric Nervous System
-"gut brain"
-composed of Myenteric Plexus that controls digestive system mobility and Submucosa Plexus that controls secretion of glands within digestive system
-reacts from mechanoreceptors stimulated by stretching and chemorececptors stimulated by food chemicals
What are the 5 functions of saliva?
-Moistens food
-Antibodies and Lysozyme limit bacterial growth
-Washes away food debris
-Lubrication of Mouth
-Contains an enzyme to break down starch molecules (salivary amylase)
What are the 3 types of salivary glands?
-2 Submandibular Glands (70%)
-2 Parotid Glands (25%)
-2 Sublingual Glands (5%)
Name the 3 functions of the tongue
-Prepartion of food for swallowing
-Mixing food with saliva
-site of chemoreceptors
Name the function of the pharynx
-Moistens food an transports it to the stomach
Explain the location of the Lower Esophageal Sphincter
-Located at the bottom of esophagus between esophagus and stomach
What are the stomach's 3 basic functions?
-Storage of Food
-Secretion of gastric juice
-churning of food
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