2. Digestion is the process of changing
food into a form that the body can
absorb and use as energy or as the raw
materials to repair and build new tissue.
previous next
3. Mechanical digestion: begins in your
mouth as your teeth tear and grind food
into small bits and pieces.
Chemical digestion: The body then burns
these nutrients for energy or uses them
to build new tissues and body parts.
previous next
4. The teeth is use
for tearing and
grinding food
into smaller bits
and pieces.
previou
s
next
5. The tongue lifts to
push the whole
ball of bolus,
back toward
the pharynx, the
opening from
your mouth to
your esophagus
previous next
6. The oesaphague
carry food, liquids,
and saliva from the
mouth to the
stomach.
previous next
13. previous next
Ingestion
of food
Secretion
of fluids
and
digestive
enzymes
Mixing
and
movement
of food
and
wastes
through
the body
Digestion
of food
into
smaller
pieces
Absorption
of nutrients
Excretion
of wastes
