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Eighth Grade (Grade 8) Respiration, Digestion, and Excretion Questions

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Grade 8 Respiration, Digestion, and Excretion
What does the pancreas do?
  1. cleans blood
  2. absorbs nutrients
  3. It releases powerful digestive enzymes into the small intestine to aid the digestion of food.
  4. It releases the hormones insulin and glucagon into the bloodstream.
Grade 8 Respiration, Digestion, and Excretion
What is the gland responsible for forming insulin?
  1. thyroid gland
  2. pancreas
  3. pituitary gland
  4. adrenal gland
Grade 8 Respiration, Digestion, and Excretion
What is a bolus?
  1. chewed food at the moment of swallowing.
  2. pulpy acidic fluid that passes from the stomach to the small intestine
  3. an enzyme
  4. chewed food after swallowing
Grade 8 Respiration, Digestion, and Excretion
Which is the correct order gas passes when breathing in?
  1. trachea, bronchus, alveoli, bronchiole
  2. bronchus, alveoli, bronchiole, trachea
  3. trachea, bronchus, bronchiole, alveoli
  4. bronchus, bronchiole, trachea, alveoli
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
This occurs in the alveoli.
  1. gas exchange
  2. digestion
  3. production of urine
  4. nothing
Grade 8 Respiration, Digestion, and Excretion
Where is bile released?
  1. large interstine
  2. small intestine
  3. heart
  4. liver
  5. pancreas
Grade 8 Respiration, Digestion, and Excretion
What does the gallbladder do?
  1. store bile
  2. cleans cells
  3. cleans blood
  4. creates bile
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
Which of these is a sign of a mineral deficiency?
  1. green leaves, tall stems, lots of flowers
  2. yellow leaves, tall stems
  3. tall stems and less flowers
  4. yellow leaves, stunted growth, fewer flowers
Grade 8 Respiration, Digestion, and Excretion
What is peristalsis?
  1. movement of food being pushed threw the esophagus by the use of nerves
  2. movement of food being pushed threw the esophagus by the use of muscles
  3. movement of food being pushed threw the esophagus by the use of cells
  4. movement of food being pushed threw the esophagus by the use of the eyes
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
Three organs of the digestive system that food does not pass through.
  1. stomach, esophagus, small intestine
  2. liver, gall bladder, pancreas
  3. large intestine, small intestine, stomach
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