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Respiratory System Quiz

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Questions and Answers

Which structure in the respiratory system is responsible for gas exchange?

Trachea

Bronchi

Alveoli (correct)

Diaphragm

What is the function of the epiglottis in the respiratory system?

Regulating the flow of air into the lungs

Producing mucus to moisten the air

Expanding and contracting to facilitate breathing

Preventing food from entering the trachea (correct)

Which muscle is primarily responsible for the expansion of the chest cavity during inhalation?

Serratus anterior

Rectus abdominis

Diaphragm (correct)

Pectoralis major

Respiratory System Quiz

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Questions and Answers

Which structure in the respiratory system is responsible for gas exchange?

What is the function of the epiglottis in the respiratory system?

Which muscle is primarily responsible for the expansion of the chest cavity during inhalation?

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