Class XII

After chewing, the food is swallowed and passes down the ____________ to the _____________.
  1. esophagus, stomach
  2. wind pipe, esophagus
  3. salivary glands, esophagus
  4. root canal, stomach
The stomach is about 8 inches long and is a sac that is shaped like the letter "j". What is food mixed with when in the stomach?
  1. enzymes
  2. acids
  3. saliva
  4. germs
What is the largest gland in the body?
  1. liver
  2. gallbladder
  3. pancreas
  4. large intestine
How long can it take for food to completely pass through the large intestine?
  1. 10 minutes
  2. 1 hour
  3. 5 hours
  4. 20 hours
What is the first step in the digestion process?
  1. mouth
  2. esophagus
  3. stomach
  4. pancreas
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