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The placement of a tube directly into the trachea to bypass the larynx is called a(n)

When you inhale, your lungs expand easily because they have

How is the kidney involved with normal bone ossification and development?

Which of the following is most important in keeping food out of the trachea?

The ring-shaped cartilage just inferior to the thyroid cartilage is the ________ cartilage.

The common passageway shared by the respiratory and digestive systems is the

The efferent arteriole of a nephron divides to form a network of capillaries within the cortex called the ________ capillaries.

The nasal cavity, pharynx, and larynx constitute the ________ portion of the airway.

Components of the upper respiratory system include all of the following except the

Surface tension at the surface of the water and air in alveoli resists inspiration. To decrease this surface tension, the great (type II) alveolar cells release