Respiratory System Functions Quiz

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What is the function of alveoli in the respiratory system?

Generating sound waves for speaking

Producing mucus to filter air

Transporting oxygen into the bloodstream (correct)

Providing support to the trachea

Which organ is directly responsible for pulling in air and pushing it out during breathing?

Ribs

Bronchial tubes

Trachea

Diaphragm (correct)

What is the primary function of cilia in the respiratory system?

Generate heat to warm inhaled air

Act as a barrier to prevent foreign particles from entering the lungs (correct)

Convert carbon dioxide to oxygen

Produce saliva for digestion

Which phase of respiration involves air leaving the lungs?

Expiration Signup and view all the answers

What function does the epiglottis serve in the respiratory system?

Closing when swallowing to protect the airway Signup and view all the answers

What is the primary function of the respiratory system?

To obtain oxygen for body cells and eliminate carbon dioxide Signup and view all the answers

Which of the following is NOT a part of the respiratory system's airways?

Esophagus Signup and view all the answers

What is the primary role of the sinuses in the respiratory system?

To regulate the temperature and humidity of inhaled air Signup and view all the answers

Which of the following is NOT a function of the respiratory system?

Producing digestive enzymes for breaking down food Signup and view all the answers

What is the role of the pharynx (throat) in the respiratory system?

To deliver air from the mouth and nose to the trachea Signup and view all the answers

Respiratory System Functions Quiz

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Questions and Answers

What is the function of alveoli in the respiratory system?

Which organ is directly responsible for pulling in air and pushing it out during breathing?

What is the primary function of cilia in the respiratory system?

Which phase of respiration involves air leaving the lungs?

What function does the epiglottis serve in the respiratory system?

What is the primary function of the respiratory system?

Which of the following is NOT a part of the respiratory system's airways?

What is the primary role of the sinuses in the respiratory system?

Which of the following is NOT a function of the respiratory system?

What is the role of the pharynx (throat) in the respiratory system?

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