Share Digestive and Excretory Systems
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Where do nutrients from food go?
Nutrients go into the blood.
Where does the blood carry the nutrients?
The blood carries nutrients to the body cells.
The digestive system is like a long _________.
tube
What are the four main organs of the digestive system?
mouth, stomach, small intestine and large intestine
Digestion begins in the __________.
mouth
____________ grind up food, and a liquid in your mouth called ________ is mixed into food.
teeth, saliva
Saliva contains a chemical that can change starch into ________.
sugar
The body uses sugar for ____________.
energy
The digestion process continues in the __________ after the food leaves the mouth.
stomach
Stomach muscles act like a blender, and turn the food into __________.
liquid
The food moves from the stomach into the _______ _________, which is like a long hose.
small intestine
As the food moves along the small intestine, the __________ pass into tiny blood vessels.
nutrients
The digestive process is helped by other organs such as the __________, ______ and ________.
liver, gallbladder and pancreas
Another job of the liver is to store ____________.
sugar
From the small intestine, the food that is left passes on to the _________ __________.
large intestine
Only __________ _________ and ________ are left in the food that moves into the large intestine.
waste products, water
