Page 80 - FOUNDATIONS FOR LIFE; EXPLORING GOD’S UNIVERSE
P. 80
HUMAN DIGESTIVE SYSTEM
Label the human digestive system.
Use the numbers to fill in the blanks below.
30 24 30 1 17
It takes humans about _______ to _______ hours to digest food so that all the goodness is taken out
of it. After being swallowed it passes to the stomach where it stays for about _______ hour. Here it
is softened by special chemicals. When it has almost become a liquid a valve opens up and the food
is pushed through the intestines. Here a complicated process goes on, sometimes taking up to
_______ hours to break down the food so that it is ready to be carried off to different parts of the
body. At least _______ different chemicals are used in the intestines to help prepare the food for
use in the body. Finally, the waste food passes through the body.
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