-Refer to the Map Above

question 7

Multiple Choice

-Refer to the map above. Which of the following areas is most likely to be experiencing rain or other significant weather?

• A) the Southwest
• B) Western Canada
• C) the Pacific Northeast
• D) the Great Lakes region

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Definitions:

Intercostal Muscles

Muscles located between the ribs that play an essential role in the mechanics of breathing.

Diaphragm

A large, dome-shaped muscle located below the lungs that plays a key role in breathing by contracting and relaxing to alter the size of the thoracic cavity.

Dorsal Respiratory Group

A cluster of neurons located in the medulla oblongata that controls the basic rhythm of respiration through the regulation of inspiratory depth and rate.

Phrenic Nerve

Nerve derived from spinal nerves C3–C5; supplies the diaphragm.