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  1. 1.[Points: 1]

    The respiratory system provides to the body’s cells.

  2. The __________ act as the functional units of the respiratory system by passing oxygen into the body and carbon dioxide out of the body.[Points: 1]
  3. Pulmonary ventilation is the process of moving air into and out of the lungs to facilitate gas exchange.[Points: 1]
  4. Internal respiration is the exchange of gases between the blood in capillaries and the tissues of the body.[Points: 1]
  5. Hemoglobin is an important transport molecule found in red blood cells that carries almost 99% of the oxygen in the blood.[Points: 1]
  6. The one advantage of breathing through the mouth is that its shorter distance and larger diameter allows more air to quickly enter the body.[Points: 1]
  7. The epiglottis is:[Points: 1]
  8. The larynx, also known as the:[Points: 1]
  9. Is the trachea also called the “windpipe?”[Points: 1]
  10. There are two ‘bronchi’.[Points: 1]
  11. The left lung is smaller than the right lung.[Points: 1]
  12. The principal muscle of respiration in the human body is the (chose the best answer):[Points: 1]
  13. Which of the following is NOT a respiratory pathology.[Points: 1]
Back to: Lesson 13 – The Respiratory System