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

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Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
Which list shows the path of oxygen entering the body?
  1. nose - bronchi - lungs - trachea
  2. trachea - nose - bronchi - lungs
  3. nose - trachea - bronchi - lungs
  4. trachea - nose - lungs - bronchi
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
Carbohydrate digestion starts in the
  1. small intestine
  2. esophagus
  3. stomach
  4. mouth
Grade 8 Respiration, Digestion, and Excretion
What is the main job of the large intestine?
  1. To get rid of all the fats in your body
  2. To help control the sugar levels in your body
  3. To break down the food into chyme
  4. To form the food waste into feces
Grade 8 Respiration, Digestion, and Excretion
Grade 8 Respiration, Digestion, and Excretion
After air is inhaled where does the exchange of oxygen take place?
  1. in the lungs from the alveoli to the capillaries
  2. in the blood from the alveoli to the blood vessels
  3. in the lungs from the bronchi to the trachea
  4. in the blood from the white blood cells to red blood cells
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