2. What is digestion and how does it
work?
What are the structures of the
digestive system?
http://www.youtube.com/watch?v=i1aUVujviqk&feature=rel
ated
http://www.youtube.com/watch?v=08VyJOEcDos&feature=r
elated
3. What happens when my body
won’t accept food?
http://www.youtube.com/watch?v=_8v3pe49N1w&feature=r
elated
4. What is peristalsis?
OR
How does food get from my mouth
to my stomach?
http://www.youtube.com/watch?v=3825vuwfCBo
http://www.youtube.com/watch?v=4aXT7h38tSM&feature=r
elated
5. What happens if the esophagus
doesn’t work properly?
http://www.youtube.com/watch?v=YSRfYKf-
ewo&feature=related
http://www.youtube.com/watch?v=xrYets03uzk&feature=relat
ed
6. Where does saliva come
from?
What will happen to digestion if my salivary glands are
infected?
http://www.youtube.com/watch?v=DN0jwZeeIjI
7. Why don’t the acids in my
stomach burn me?
http://www.youtube.com/watch?v=URHBBE3RKEs
8. Why does my stomach make
sounds when I’m hungry?
http://www.youtube.com/watch?v=naLJFb9r2ag