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Digestive System

Fund of body funct

G.I Tract Physiology Ingestion, peristalsis, digestion, absorption, defecation.
Defecation Elimination of substances that cannot be absorbed.
Absorption Moving digested food into the cardiovascular and lymphatic system for distribution to the cells.
Peristalsis/ Peristaltic activity Muscular contractions that push food.
4 canines/ Cuspids Tear food.
8 incisors Cut food.
8 Premolar/ Bicuspid Grind food.
Structure of tooth Crown, root, cervix.
Crown Visible portion of each dens(tooth) abode the GINGIVAE (gums)
Root Portion of each dens(tooth) anchored in the bone socket of maxilla & mandible.
Saliva is secreted by: Parotid Glands, Sublingual Glands, Sub-mandibular Glands
Uvula Coned shaped muscular structure in the posterior border of the soft palate.
Anterior oral roof Hard palate.
Posterior oral roof Soft palate.
Chemical diggestion occurs due to HCI (hidrochloric acid) & Pepsin (breakdown of protein)
Created by: sherylsanchez