Digestive System
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Taking in food
Ingestion
Breaking food into nutrients
Digestion
Movement of nutrients into the bloodstream
Absorption
Elimination of indigestible waste
Defacation
Two main groups of organs in the digestive system
Alimentary canal Accessory digestive organs
What is the alimentary canal
A continuos, coiled, hollow tube.
What do the organs in the alimentary canal do?
Ingest, digest, absorb, and defecate
Alimentary canal from top to bottom
Mouth Pharynx Esophagus Stomach Small Intestine Large Intestine Anus
What is the mouth called
The oral cavity
What are lips called
Labia
What do the cheeks form
The lateral walls
What does the hard palate form
Anterior roof
What does the soft palate form
Posterior roof
What is the uvula
Fleshy projection of the soft palate
Vestibule (external)
Space between lips
Vestibule (internally)
Space between teeth and gums
Attached at hyoid bone and styled process of the skull, and by the lingual frenulum to the floor of the mouth
Tongue
Two types of tonsils
Palatine Lingual
Tonsil located at posterior end of oral cavity
Palatine
Located at the base of the tongue
Lingual
Function of the mouth
Mastication Tongue mixes mastic aged food with saliva Tongue initiates swallowing Taste buds on tongue allow for taste
Into where does food pass through from the mouth
Oropharynx Laryngopharynx
Posterior oral cavity
Oropharynx
Below the oropharynx and continuos with the esophagus
Laryngopharynx