Which Statement Regarding Respiration Is True

question 101

Multiple Choice

Which statement regarding respiration is true?

• A) The sternocleidomastoid muscle elevates the rib cage.
• B) Internal intercostal muscles elevate the rib cage.
• C) The rectus abdominis muscle elevates the rib cage.
• D) The external intercostal muscles lower the rib cage.
• E) Elevation of the rib cage decreases the volume of the thoracic cavity.

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Expenses that vary with production volume, such as utilities and materials.

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