In Order to Expand the Volume of the Thoracic Cavity

question 159

Multiple Choice

In order to expand the volume of the thoracic cavity during inhalation, what must occur?

• A)The diaphragm moves upward
• B)The ribs compress
• C)Inspiratory muscles relax
• D)Inspiratory muscles contract

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Voltaire

Voltaire was the pen name of François-Marie Arouet (1694-1778), a French Enlightenment writer, historian, and philosopher known for his advocacy of freedom of speech, separation of church and state, and civil liberties.

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An 18th-century English painter and printmaker noted for his satirical works that critique the morals and customs of his time.

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