2. The Digestive System
1.First, in the
mouth, the
teeth chew
the food. The
salivary glands
make saliva,
and saliva
helps make a
bolus.
2.Then, the
bolus goes
It extracts nutrients from the food and expels the
waste products that your body doesn´t need.
3. 1.Next the bolus
reaches the
stomach.
2.After that the
gastric juices break
down the bolus
and transform in to
a thick liquid.
3.Gastric juices also
kill dangerous
bacteria in the
stomach
4. 1.The bile
produced by the
liver and the
pancreas juice
produced by the
pancreas are
mixed with the
think liquid.
5. 1.Then, the blood
that is in the
small intestine
absorbs the
nutrients.
2.The circulatory
system carry the
nutrients to all
parts of the
body
