The Last Passageway of the Conducting Portion of the Respiratory

question 153

Multiple Choice

The last passageway of the conducting portion of the respiratory tract is called the

• A)terminal bronchiole.
• B)alveolar duct.
• C)respiratory bronchiole.
• D)alveolus.
• E)air sac.

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Definitions:

Compact Bone

Dense, hard bone tissue found mainly near the surfaces of a bone.

Osteons

Structural units found in compact bone, consisting of a central canal surrounded by concentric rings of calcified matrix.

Bone Marrow

The soft, cellular tissue that fills the internal spaces of bones; red bone marrow in certain bones produces blood cells.

Diaphysis

The central shaft of a long bone, distinguished from the bone's broader ends or epiphyses.