Class II

The respiratory system is made up of the trachea, the lungs, and the:
  1. Liver
  2. Diaphragm
  3. Esophagus
  4. Pancreas
The trachea is also called the:
  1. Lung
  2. Diaphragm
  3. Windpipe
  4. Bronchus
_________ 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
As you breathe, this contracts and flattens to give your lungs room to fill up with air:
  1. Larynx
  2. Lung balloon
  3. Diaphragm
  4. Bronchiole
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