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Digestion (Grade 4)

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Instructions: Circle or fill in the correct answers.

Approximately how many taste buds do we have on our tongue?
  1. 10
  2. 100
  3. 10,000
  4. 10,000,000
The main function of taste is to
  1. make you happy.
  2. encourage the body to start the digestive process.
  3. break down food.
  4. keep you from eating things you do not like.
Which part of the digestive system does the most to digest food?

Your                      is a bag made up of muscles that churns food.

Two long tubes of muscle that lead from the stomach and help absorb food are the                                      and the                                     .

The                     ,                             ,                         , small intestine and large intestine make up the                              system, which breaks down food so that it can be used by the body.
Food the body cannot use is stored in the
  1. stomach.
  2. large intestine.
  3. mouth.
  4. small intestine.
This substance, also known as "spit," is in your mouth to help break up food.
  1. medicine
  2. salt
  3. taste buds
  4. saliva
Where does digestion start?
  1. mouth
  2. small intestine
  3. large intestine
  4. stomach
Which part of the digestive system makes food mostly liquid?
  1. stomach
  2. esophagus
  3. small intestine
  4. large intestine
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