Page 24 - Summary 6 2025
P. 24

Delta Modern Language Schools

Science department

Grade 6

1st term 2024- 2025  1         • The begining of digestion

①inside the mouth

              Jaw              • chew the food and increase its surface area
         Muscles
                               • This makes it easier for chemical enzymes (saliva)
                                 produced
                                 by the endocrine system to break down and digest
                                 food

         Saliva                • A liquid in your mouth that contains enzyme can
                                 easily soften the food and begins the chemical
                                 breakdown of food.

               2 • Breaking down of Food

       ②In the stomach

     Stomach secretes digestive fluids that contain an acid and some enzymes
     leads to more food breakdown

       ③In small intestine

         • The pancreas and gallbladder secrete additional enzymes
             that assist in the chemical breakdown of food.

         • Absorption of nutrients takes place in the small intestine

       ④ In large intestine

     Undigested food passed into the large
     intestine (colon), then exit the
     body as solid waste (stool).

     ►The last part of the large intestine is known as rectum that stores the

     feces until it leaves the body through anus

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