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Questions and Answers
Which part of the respiratory system acts as the functional units by passing oxygen into the body and carbon dioxide out of the body?
Which part of the respiratory system acts as the functional units by passing oxygen into the body and carbon dioxide out of the body?
- The airway
- The lungs (correct)
- The nose and mouth
- The trachea and bronchi
What is the main function of the muscles of respiration?
What is the main function of the muscles of respiration?
- To filter oxygen before it enters the body
- To act as a pump, pushing air into and out of the lungs during breathing (correct)
- To carry air between the lungs and the body's exterior
- To remove carbon dioxide from the body
What is the primary purpose of respiration?
What is the primary purpose of respiration?
- To produce energy for the body's functions
- To provide nutrients to the cells of the body
- To regulate body temperature
- To facilitate the exchange of oxygen and carbon dioxide at the cellular level (correct)
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