Respiratory System Structure and Function Quiz
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Questions and Answers

Trachea is held normally open because of the C-shaped cartilaginous ______

rings

External intercostal muscles and ______ are the muscles that contract when a person inhales

diaphragm

During internal respiration, oxygen exits the ______, while carbon dioxide enters the ______

blood

Surface tension is the force that is created between the visceral and parietal pleura in order to hold the ______ opens against the chest wall

<p>lungs</p> Signup and view all the answers

Almost all oxygen (97-98%) is transported by hemoglobin / oxyhemoglobin abundantly found in red blood ______ in the blood

<p>cells</p> Signup and view all the answers

What is the major function of the respiratory system?

<p>Gas exchange</p> Signup and view all the answers

Where does gas exchange primarily occur in the respiratory system?

<p>Alveoli</p> Signup and view all the answers

What is the function of the epiglottis?

<p>Covering the larynx when swallowing</p> Signup and view all the answers

Which structure is responsible for filtering, warming, and moistening air as it enters the respiratory system?

<p>Nasal cavity</p> Signup and view all the answers

What is the space between the vocal cords and the opening to the larynx called?

<p>Glottis</p> Signup and view all the answers

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