HBHD II Chapter 17

Diffusion is a passive process that results in movement up a concentration gradient.

• True

• False

______ is an obstructive condition characterized by recurring spasms of the smooth muscle in the walls of the bronchial air passages.

Terminal air sacs

______ ensure that the framework of the trachea is almost noncollapsible.

Which word in the group that not belong: Voice box, Thyroid cartilage, Tonsils, Vocal cords

• Voice box

• Thyroid cartilage

• Tonsils

• Vocal cords

The amount of air typically breathed in and out with each breath is called tidal volume.

Lines the tubes of the respiratory tree

______ may result from the progression of chronic bronchitis or other conditions as air becomes trapped within alveoli, causing them to enlarge and eventually rupture.

The ______ covers the outer surface of the lungs and lines the inner surface of the rib cage.

Match each term with its definition. Write the corresponding letter in the answer blank. Head cold