Colorado Esthetician Written Practice Exam

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Which system enables breathing?

  1. Lymphatic/Immune

  2. Muscular

  3. Nervous

  4. Respiratory

The correct answer is: Lymphatic/Immune

The correct answer is the Respiratory system. The Respiratory system is responsible for breathing by taking in oxygen and expelling carbon dioxide. It includes organs such as the lungs, trachea, bronchi, and diaphragm. The Lymphatic/Immune system helps protect the body from illness and disease, the Muscular system allows for movement, and the Nervous system controls communication in the body.

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