Food you eat is changed into energy Digestion the process of
breaking down food into molecules that your cells can absorb EATING
FOR LIFE
Slide 3
THE DIGESTIVE SYSTEM 1 st step: taking a bite of food and
chewing breaks down food into smaller pieces Enzymes break food
down further (from salivary glands) Enzymes body chemical 2 nd
step: swallowing food down esophagus tube leading from your throat
to stomach Involuntary muscles help push food down to stomach
Slide 4
THE DIGESTIVE SYSTEM 3 rd step: stomach Involuntary muscles to
mush up food Enzymes to break down food even more 4 th step: small
intestine Food molecules pass through walls of small intestine and
into your blood Food molecules spread out throughout body 5 th
step: large intestine Solid waste (parts of food that cannot be
broken down) called feces, flow from small intestine into large
intestine Feces pass out of body through anus opening below large
intestine
Slide 5
Slide 6
EXIT SLIP 1.What gives your body the energy it needs? 2.What
are three ways that food is broken down? 3. List the parts of the
digestive system By chewing, the use of enzymes, and involuntary
muscles food Mouth, stomach, small intestine, large intestine,
rectum, anus, liver, spleen, salivary glands, tongue,
pancreaus
