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Lungs (Grade 6)

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Lungs

1. 
Place the following events in sequence: A) Air pressure inside your lungs drops; B) The diaphragm contracts; C) Air from outside rushes into your lungs
  1. A, B, C
  2. B, A, C
  3. C, A, B
  4. B, C, A
2. 
The membrane on the surface of the lungs is called the
  1. epidermis
  2. sagittal
  3. visceral pleura
  4. macromolecule
3. 
What are the increasingly smaller airways branching off into the lungs called?
  1. air sacs
  2. bronchial tubes
  3. capillaries
  4. lungs
4. 
What are the bubble-shaped sacs in the lungs where gas exchange takes place called?
  1. capillaries
  2. bronchial tubes
  3. alveoli
  4. lungs
5. 
Which system works with breathing oxygen into the lungs?
  1. digestive system
  2. respiratory system
  3. nervous system
  4. excretory system
6. 
Your lungs, heart, and esophagus are in your                 .
  1. abdominal cavity
  2. cranial cavity
  3. spinal cavity
  4. thoracic cavity
7. 
What can you infer about the function of the ribcage?
  1. It protects the lungs
  2. It helps the lungs pump oxygen
  3. It delivers oxygen from the lungs to the bloodstream
  4. It connects the trachea to the lungs
8. 
Pulmonary veins come from the lungs and are the only veins in your body that do what?
  1. Get rid of deoxygenated blood
  2. Carry liquid wastes
  3. Carry little bits of iron in them
  4. Carry oxygenated blood
9. 
What is the membrane surrounding the lungs?
  1. pleural membrane
  2. carcinogenic membrane
  3. celluloid membrane
  4. respiratory membrane
10. 
What happens in the alveoli?
  1. Carbon dioxide is moved from the blood cells into the lungs and oxygen is moved into the blood cells.
  2. Oxygen is moved into the lungs and carbon dioxide is moved into the blood cells.
  3. Carbon dioxide is passed into the kidneys
  4. Oxygen is passed into the liver.
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