Class II

_________ is not good for your lungs.
  1. Exercising
  2. Singing
  3. Smoking
  4. Yelling
The voice box is also known as the:
  1. Alveoli
  2. Larynx
  3. Trachea
  4. Motormouth
The respiratory system is made up of the trachea, the lungs, and the:
  1. Liver
  2. Diaphragm
  3. Esophagus
  4. Pancreas
Your body couldn’t breathe without this system. Which one is it?
  1. Perspiration system
  2. Respiratory system
  3. Photosynthesis
  4. Urinary system
The tiny hairs that keep mucus and dirt out of your lungs are called:
  1. Lung hairs
  2. Stubble
  3. Bronchioles
  4. Cilia
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