The DIgestive System

A. The System Of My CHoice Is The Digestive System.

B. There Are Six Basic Functions Of The Digestive System, Ingestion Which Is Taking Food Into Mouth. Secretion Which Is The Release Of Cells Within The Walls Of The Gl Tract And Accessory Organs Of Water Acid Buffers ANd Enzymes Into The Lumen Of The Tract. Mixing And Propulsion Which Is The Alternating Contraction And Relaxation Of The Smooth Muscles Within The Walls Of The Gl Tract . Digestion Which Breaks Down Into Two Types Of Digestion Mechanical Being The Physical Breakdown Of Movement Of Gl Tract Aiding To The Chemical Digestion Of Food. And Chemical Digestion Which Is Catabolic Reactions Of Food. Absorption Which Is The Passgae Of End Products Of Digestion From Gl Tract Into BloodOr Lymph For Distribution To Cells. Lastly Defecation Which Is The Process Of Emptying Of The Rectum Eliminating Indigestible Substances From The Gl Tract.

C. The Major Organs In This System ARe The Salivary Glands Which Secrete A Digestive Juice Called Saliva. Teeth