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Sixth Grade (Grade 6) Respiration, Digestion, and Excretion Questions

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Grade 6 Respiration, Digestion, and Excretion
During exhalation, the rib cage                                                            and the diaphragm                                                           .
  1. returns to its original position; contracts and flattens
  2. returns to its original position; relaxes and moves upward
  3. moves up and out; contracts and flattens
  4. moves up and out; relaxes and moves upward
Grade 6 Respiration, Digestion, and Excretion
Select all the jobs of the sinus cavities.
  1. warm and moisten air
  2. make your head lighter
  3. continue the air filtering process
  4. cause sneezes
Grade 6 Respiration, Digestion, and Excretion
Grade 6 Respiration, Digestion, and Excretion
What kind of juice in the stomach helps to continue breaking down the foods we eat?
  1. bitter juices
  2. acidic juices
  3. There are no juices in the stomach.
  4. sweet juices
Grade 6 Respiration, Digestion, and Excretion
Grade 6 Respiration, Digestion, and Excretion
Each lung is the size of a
  1. golf ball.
  2. football.
  3. fist.
Grade 6 Respiration, Digestion, and Excretion
What is the correct order of the sections of the small intestine, from the first to the last?
  1. ileum (11 feet), duodenum (1 foot), jejunum (8 feet)
  2. duodenum (1 foot), jejunum (8 feet), ileum (11 feet)
  3. jejunum (8 feet), duodenum (1 foot), ileum (11 feet)
Grade 6 Respiration, Digestion, and Excretion
What is the latest information on the benefit of the appendix?
  1. It is useless.
  2. It is the place where good bacteria collect when there is danger of being killed by an illness.
  3. It is a third intestine.
Grade 6 Respiration, Digestion, and Excretion
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